A year is approximately 365.25 days
it moves about a(n) inch a year.
It is one mercury year long
1 year = 365.242199 days
a year
A year long cold climate is called Arctic.
It usually is 365 days unless leap year then it would be 366
Sirius is a star, so it doesn't have an orbit like the planets do. Thus, you can't calculate a year for Sirius. All you can do is estimate its age in Earth years.
An estimate is an educated guess on anything.
21.5238
RankCountry / TerritoryPopulationDate of estimate % of World PopulationSource1 China1,339,005,000August 20, 201019.51%Chinese Official Population Clock2 India1,186,540,000August 20, 201017.29%Indian Official Population Clock3 United States310,030,000August 20, 20104.52%United States Official Population Clock4 Indonesia234,181,400July 20103.41%Statistics Indonesia5 Brazil193,252,604July 20102.82%IGBE Projection6 Pakistan170,320,000August 20, 20102.48%Official Pakistani Population clock7 Bangladesh164,425,00020102.4%2008 UN estimate for year 20108 Nigeria158,259,00020102.31%2008 UN estimate for year 20109 Russia141,927,297January 1, 20102.07%Federal State Statistics Service of Russia10 Japan127,380,000June 1, 20101.86%Official Japan Statistics Bureau11 Mexico108,396,211July 1, 20101.58%INEGI estimateNational Population Statistics of Mexico[4]12 Philippines94,013,200Mid-20101.37%National Statistics Office medium projection13 Vietnam85,789,573April 1, 20091.25%Preliminary 2009 census result14 Germany81,757,600January 1, 20101.19%Eurostat estimate15 Ethiopia79,221,000July 20081.15%Ethiopia Central Statistics Agency16 Egypt78,879,000August 20, 20101.15%Official Egyptian Population clock17 Iran75,078,00020101.09%2008 UN estimate for year 201018 Turkey72,561,312December 31, 20091.06%Turkish Statistical Institute estimate19 Dem. Rep. of Congo67,827,00020100.99%2008 UN estimate for year 201020 France65,447,374January 1, 20100.95%Official INSEE estimateThe figure for France without the overseas collectivities is 64,667,374.21 Thailand63,525,062December 31, 20090.92%Official Thai Statistics estimate22 United Kingdom62,041,708January 1, 20100.9%Eurostat estimate23 Italy60,340,328December 1, 20090.88%Official ISTAT estimate24 Myanmar (Burma)50,496,00020100.74%2008 UN estimate for year 201025 South Africa49,991,300July 1, 20100.73%Statistics South Africa26 South Korea49,773,145December 31, 20090.73%Statistics Korea27 Spain46,951,532January 1, 20100.68%Official INE estimate28 Ukraine45,871,738June 1, 20100.67%Official UKRSTAT estimate29 Colombia45,579,000August 20, 20100.66%Official Colombian Population clock30 Tanzania45,040,00020100.66%2008 UN estimate for year 201031 Kenya40,863,00020100.6%2008 UN estimate for year 201032 Argentina40,518,951June 30, 20100.59%Official INDEC estimate33 Sudan39,154,490April 22, 20080.57%2008 Sudanese census34 Poland38,167,329January 1, 20100.56%Eurostat estimate35 Algeria35,423,00020100.52%2008 UN estimate for year 201036 Canada33,630,000August 20, 20100.49%Official Canadian Population clock37 Uganda33,796,00020100.49%2008 UN estimate for year 201038 Morocco31,898,000August 20, 20100.46%Official Moroccan Population clock39 Iraq31,467,00020100.46%2008 UN estimate for year 201040 Nepal29,853,00020100.43%2008 UN estimate for year 201041 Peru29,461,933June 30, 20100.42%Official INEI estimate (in Spanish)42 Afghanistan29,117,00020100.42%2008 UN estimate for year 201043 Venezuela28,896,000August 20, 20100.42%Official Venezuelan Population clock44 Malaysia28,306,700July 20090.41%Statistic Department of Malaysia45 Uzbekistan27,794,00020100.4%2008 UN estimate for year 201046 Saudi Arabia26,246,00020100.38%2008 UN estimate for year 201047 Ghana24,333,00020100.35%2008 UN estimate for year 201048 Yemen24,256,00020100.35%2008 UN estimate for year 201049 North Korea23,991,00020100.35%2008 UN estimate for year 201050 Mozambique23,406,00020100.34%2008 UN estimate for year 201051 Republic of China (Taiwan)23,131,093March 31, 20100.34%Official National Statistics Taiwan estimate52 Syria22,505,00020100.33%2008 UN estimate for year 201053 Australia22,429,702August 20, 20100.33%Australian Official Population Clock54 Côte d'Ivoire21,571,00020100.31%2008 UN estimate for year 201055 Romania21,466,174January 1, 20100.31%Eurostat estimate56 Sri Lanka20,410,00020100.3%2008 UN estimate for year 201057 Madagascar20,146,00020100.29%2008 UN estimate for year 201058 Cameroon19,958,00020100.29%2008 UN estimate for year 201059 Angola18,993,00020100.28%2008 UN estimate for year 201060 Chile17,117,000August 20, 20100.25%Official INE projection (p.36)61 Netherlands16,608,300August 20, 20100.24%Official Netherlands population clock62 Burkina Faso16,287,00020100.24%2008 UN estimate for year 201063 Kazakhstan16,197,000January, 1 20100.24%National Statistics Agency estimate64 Niger15,891,00020100.23%2008 UN estimate for year 201065 Malawi15,692,00020100.23%2008 UN estimate for year 201066 Mali14,517,176April 1, 20090.21%Preliminary 2009 census result67 Guatemala14,377,00020100.21%2008 UN estimate for year 201068 Ecuador14,232,000August 20, 20100.21%Official Ecuadorian population clock69 Cambodia13,395,682March 3, 20080.2%Cambodian 2008 Census70 Zambia13,257,00020100.19%2008 UN estimate for year 201071 Senegal12,861,00020100.19%2008 UN estimate for year 201072 Zimbabwe12,644,00020100.18%2008 UN estimate for year 201073 Greece11,306,183January 1, 20100.16%Eurostat estimate74 Chad11,274,106June 20090.16%Chadian 2009 census75 Cuba11,204,00020100.16%2008 UN estimate for year 201076 Belgium10,827,519January 1, 20100.16%Eurostat estimate77 Portugal10,636,888January 1, 20100.15%Eurostat estimate78 Czech Republic10,512,397January 1, 20100.15%Eurostat estimate79 Tunisia10,432,500July 1, 20090.15%National Statistics Institute of Tunisia80 Guinea10,324,00020100.15%2008 UN estimate for year 201081 Rwanda10,277,00020100.15%2008 UN estimate for year 201082 Dominican Republic10,225,00020100.15%2008 UN estimate for year 201083 Haiti10,188,00020100.15%2008 UN estimate for year 201084 Bolivia10,031,00020100.15%2008 UN estimate for year 201085 Hungary10,013,628January 1, 20100.15%Eurostat estimate86 Serbia9,856,00020100.14%2008 UN estimate for year 201087 Belarus9,471,900May 1, 20100.14%National Statistical Committee88 Sweden9,373,379June 30, 20100.14%Statistics Sweden89 Somalia9,359,00020100.14%2008 UN estimate for year 201090 Benin9,212,00020100.13%2008 UN estimate for year 201091 Azerbaijan8,997,400January 1, 20100.13%State Statistical Committee of Azerbaijan92 Burundi8,519,00020100.12%2008 UN estimate for year 201093 Austria8,372,930January 1, 20100.12%Eurostat estimate94 Switzerland7,782,900December 31, 20090.11%Official Switzerland Statistics estimate95 Honduras7,616,00020100.11%2008 UN estimate for year 201096 Israel 7,602,400May 31, 20100.11%Israeli Central Bureau of Statistics97 Bulgaria7,576,751January 1, 20100.11%Eurostat estimate98 Tajikistan7,075,00020100.103%2008 UN estimate for year 201099 Hong Kong7,026,400December 31, 20090.102%Hong Kong Census and Statistics Department100 Papua New Guinea6,888,00020100.1%2008 UN estimate for year 2010101 Togo6,780,00020100.099%2008 UN estimate for year 2010102 Libya6,546,00020100.095%2008 UN estimate for year 2010103 Jordan6,472,00020100.094%2008 UN estimate for year 2010104 Paraguay6,460,00020100.094%2008 UN estimate for year 2010105 Laos6,436,00020100.094%2008 UN estimate for year 2010106 El Salvador6,194,00020100.09%2008 UN estimate for year 2010107 Sierra Leone5,836,00020100.085%2008 UN estimate for year 2010108 Nicaragua5,822,00020100.085%2008 UN estimate for year 2010109 Kyrgyzstan5,550,00020100.081%2008 UN estimate for year 2010110 Denmark5,540,241March 31, 20100.08%Statistics Denmark111 Slovakia5,426,645March 31, 20100.079%Statistics Slovakia112 Finland 5,366,600August 20, 20100.078%Official Finnish Population clock113 Eritrea5,224,00020100.076%2008 UN estimate for year 2010114 Turkmenistan5,177,00020100.075%2008 UN estimate for year 2010115 Singapore4,987,600Mid-20090.073%Statistics Singapore116 Norway 4,897,900August 20, 20100.071%Official Norwegian Population clock117 United Arab Emirates4,707,00020100.069%2008 UN estimate for year 2010118 Costa Rica4,640,00020100.068%2008 UN estimate for year 2010119 Central African Republic4,506,00020100.066%2008 UN estimate for year 2010120 Ireland4,459,300April 1, 20090.064%Irish Central Statistics Office estimate121 Georgia 4,436,000January 1, 20100.065%National Statistics Office of Georgia122 Croatia4,435,056January 1, 20090.065%Eurostat estimate123 New Zealand4,384,800August 20, 20100.064%Official New Zealand Population clock124 Lebanon4,255,00020100.062%2008 UN estimate for year 2010125 Puerto Rico3,998,00020100.058%2008 UN estimate for year 2010126 Palestine3,935,2490.055%Palestinian Central Bureau of Statistics127 Bosnia and Herzegovina3,760,00020100.055%2008 UN estimate for year 2010128 Republic of the Congo3,759,00020100.055%2008 UN estimate for year 2010129 Moldova 3,563,800January 1, 20100.052%National Bureau of Statistics of Moldova130 Liberia3,476,608March 21, 20080.051%2008 Population and Housing Census131 Uruguay3,372,00020100.049%2008 UN estimate for year 2010132 Mauritania3,366,00020100.049%2008 UN estimate for year 2010133 Lithuania3,329,227January 1, 20100.049%Eurostat estimate134 Panama3,322,576May 16, 20100.048%Official INEC preliminary 2010 census result135 Armenia3,238,000January 1, 20090.047%National Statistical Service of Armenia136 Albania3,195,000January 1, 20100.047%Institute of Statistics INSTAT Albania137 Kuwait3,051,00020100.044%2008 UN estimate for year 2010138 Oman2,905,00020100.042%2008 UN estimate for year 2010139 Mongolia2,769,700August 20, 20100.04%Official Mongolian population clock140 Jamaica2,730,00020100.04%2008 UN estimate for year 2010141 Latvia2,237,800July 1, 20100.033%Official Statistics of Latvia142 Namibia2,212,00020100.032%2008 UN estimate for year 2010143 Lesotho2,084,00020100.03%2008 UN estimate for year 2010144 Slovenia2,063,070August 20, 20100.03%Official Slovenian population clock145 Republic of Macedonia2,048,620January 1, 20090.03%Eurostat estimate146 Botswana1,978,00020100.029%2008 UN estimate for year 2010147 Gambia1,751,00020100.026%2008 UN estimate for year 2010148 Qatar1,696,563April 20, 20100.025%Preliminary 2010 Census Results149 Guinea-Bissau1,647,00020100.024%2008 UN estimate for year 2010150 Gabon1,501,00020100.022%2008 UN estimate for year 2010151 Trinidad and Tobago1,344,00020100.02%2008 UN estimate for year 2010152 Estonia1,340,021January 1, 20100.02%[2]153 Mauritius 1,297,00020100.019%2008 UN estimate for year 2010154 Swaziland1,202,00020100.018%2008 UN estimate for year 2010155 East Timor1,171,00020100.017%2008 UN estimate for year 2010156 Djibouti879,00020100.013%2008 UN estimate for year 2010157 Fiji854,00020100.012%2008 UN estimate for year 2010158 Bahrain807,00020100.012%2008 UN estimate for year 2010159 Cyprus 801,851January 1, 20100.012%Eurostat estimate160 Guyana761,00020100.011%2008 UN estimate for year 2010161 Bhutan708,00020100.01%2008 UN estimate for year 2010162 Equatorial Guinea [5]693,00020100.01%2008 UN estimate for year 2010163 Comoros 691,00020100.01%2008 UN estimate for year 2010164 Montenegro626,00020100.009%2008 UN estimate for year 2010165 Macau542,200December 31, 20090.008%Macau Statistics and Census Service166 Solomon Islands536,00020100.008%2008 UN estimate for year 2010167 Western Sahara530,00020100.008%2008 UN estimate for year 2010168 Suriname524,00020100.008%2008 UN estimate for year 2010169 Cape Verde513,00020100.007%2008 UN estimate for year 2010170 Luxembourg502,207January 1, 20100.007%Eurostat estimate171 Malta416,333January 1, 20100.006%Eurostat estimate172 Brunei407,00020100.006%2008 UN estimate for year 2010173 Bahamas346,00020100.005%2008 UN estimate for year 2010174 Belize322,100June 30, 20080.005%Statistical Institute of Belize175 Iceland317,900April 1, 20100.005%Statistics Iceland176 Maldives314,00020100.005%2008 UN estimate for year 2010177 Barbados257,00020100.004%2008 UN estimate for year 2010178 Vanuatu246,00020100.004%2008 UN estimate for year 2010179 Netherlands Antilles201,00020100.003%2008 UN estimate for year 2010180 Guam180,00020100.003%2008 UN estimate for year 2010181 Samoa179,00020100.003%2008 UN estimate for year 2010182 Saint Lucia174,00020100.003%2008 UN estimate for year 2010183 São Tomé and Príncipe165,00020100.002%2008 UN estimate for year 2010184 Federated States of Micronesia111,00020100.002%2008 UN estimate for year 2010185 U.S. Virgin Islands109,00020100.002%2008 UN estimate for year 2010186 Saint Vincent and the Grenadines109,00020100.002%2008 UN estimate for year 2010187 Aruba107,00020100.002%2008 UN estimate for year 2010188 Grenada104,00020100.002%2008 UN estimate for year 2010189 Tonga104,00020100.002%2008 UN estimate for year 2010190 Kiribati100,00020100.001%2008 UN estimate for year 2010191 Jersey90,050Mid 20070.001%UN estimate: Series A, Table 2192 Antigua and Barbuda89,00020100.001%2008 UN estimate for year 2010193 Northern Mariana Islands88,00020100.001%2008 UN estimate for year 2010194 Seychelles85,00020100.001%2008 UN estimate for year 2010195 Andorra84,082December 31, 20090.001%[3]196 Isle of Man80,00020100.001%2008 UN estimate for year 2010197 American Samoa69,00020100.001%2008 UN estimate for year 2010198 Dominica67,00020100.001%2008 UN estimate for year 2010199 Bermuda65,00020100.001%2008 UN estimate for year 2010200 Marshall Islands63,00020100.001%2008 UN estimate for year 2010201 Guernsey61,811March 1, 20070.001%UN estimate: Series A, Table 2202 Greenland57,00020100.001%2008 UN estimate for year 2010203 Cayman Islands57,00020100.001%2008 UN estimate for year 2010204 Saint Kitts and Nevis52,00020100.001%2008 UN estimate for year 2010205 Faroe Islands48,760May 1, 20100.001%Official statistics of the Faroe Islands206 Liechtenstein35,904December 31, 20090.0005%[4]207 Monaco33,00020100.0005%2008 UN estimate for year 2010208 Turks and Caicos Islands33,00020100.0005%2008 UN estimate for year 2010209 San Marino32,386Mid 20080.0005%UN estimate: Series A, Table 2210 Gibraltar31,00020100.0005%2008 UN estimate for year 2010211 British Virgin Islands23,0000.0003%UN estimate212 Cook Islands20,0000.0003%UN estimate213 Palau20,0000.0003%UN estimate214 Anguilla15,0000.0002%UN estimate215 Tuvalu10,0000.0001%UN estimate216 Nauru10,0000.0001%UN estimate217 Montserrat5,9000.0001%UN estimate218 Saint Helena 4,5000.0001%UN estimate219 Falkland Islands3,0000.00005%UN estimate220 Niue1,5000.00003%UN estimate221 Tokelau1,2000.00003%UN estimate222 Vatican City8000.00002%UN estimate223 Pitcairn Islands500.000001%UN estimate
RankCountry / TerritoryPopulationDate of estimate % of World PopulationSource1 China1,339,810,000October 2, 201019.5%Official Chinese Population Clock2 India1,188,350,000October 2, 201017.3%Official Indian Population Clock3 United States310,387,000October 2, 20104.52%Official United States Population Clock4 Indonesia237,556,363July 20103.46%2010 Indonesian Census5 Brazil193,592,000October 2, 20102.82%Brazilian Official Population Clock6 Pakistan170,685,000October 2, 20102.48%Official Pakistani Population clock7 Bangladesh164,425,00020102.39%2008 UN estimate for year 20108 Nigeria158,259,00020102.3%2008 UN estimate for year 20109 Russia141,927,297January 1, 20102.07%Federal State Statistics Service of Russia10 Japan127,390,000August 1, 20101.85%Official Japan Statistics Bureau11 Mexico108,396,211July 1, 20101.58%INEGI estimateNational Population Statistics of Mexico[4]12 Philippines94,013,200Mid-20101.37%National Statistics Office medium projection13 Vietnam85,846,997April 1, 20091.25%Final 2009 census results14 Ethiopia84,976,00020101.24%2008 UN estimate for year 201015 Germany81,802,257January 1, 20101.19%Eurostat estimate16 Egypt79,104,000October 2, 20101.15%Official Egyptian Population clock17 Iran75,078,00020101.09%2008 UN estimate for year 201018 Turkey72,561,312December 31, 20091.06%Turkish Statistical Institute estimate19 Dem. Rep. of Congo67,827,00020100.99%2008 UN estimate for year 201020 Thailand67,070,000December 1, 20091%The National Statistical Office Ministry of Information and Communication Technology of Thailand21 France65,447,374January 1, 20100.95%Official INSEE estimateThe figure for France without the overseas collectivities is 64,667,374.22 United Kingdom62,008,049January 1, 20100.9%Eurostat estimate23 Italy60,402,499March 31, 20100.88%Official ISTAT estimate24 Myanmar(Burma)50,496,00020100.73%2008 UN estimate for year 201025 South Africa49,991,300July 1, 20100.73%Statistics South Africa26 South Korea49,773,145December 31, 20090.72%Statistics Korea27 Spain46,072,834July 1, 20100.67%Official INE estimate28 Ukraine45,871,738June 1, 20100.67%Official UKRSTAT estimate29 Colombia45,645,000October 2, 20100.66%Official Colombian Population clock30 Tanzania45,040,00020100.66%2008 UN estimate for year 201031 Sudan43,192,00020100.63%2008 UN estimate for year 201032 Argentina40,518,951June 30, 20100.59%Official INDEC estimate33 Kenya38,610,097August 24-25, 20090.56%Official 2009 census results34 Poland38,167,329January 1, 20100.56%Eurostat estimate35 Algeria35,423,00020100.52%2008 UN estimate for year 201036 Canada34,264,000October 2, 20100.5%Official Canadian Population clock37 Uganda33,796,00020100.49%2008 UN estimate for year 201038 Morocco31,938,000October 2, 20100.46%Official Moroccan Population clock39 Iraq31,467,00020100.46%2008 UN estimate for year 201040 Nepal29,853,00020100.43%2008 UN estimate for year 201041 Peru29,461,933June 30, 20100.43%Official INEI estimate (in Spanish)42 Afghanistan29,117,00020100.42%2008 UN estimate for year 201043 Venezuela28,949,000October 2, 20100.42%Official Venezuelan Population clock44 Malaysia28,250,500July 20100.41%Statistic Department of Malaysia45 Uzbekistan27,794,00020100.4%2008 UN estimate for year 201046 Saudi Arabia27,136,977April 20100.39%Official Saudi population clock47 Ghana24,333,00020100.35%2008 UN estimate for year 201048 Yemen24,256,00020100.35%2008 UN estimate for year 201049 North Korea23,991,00020100.35%2008 UN estimate for year 201050 Mozambique23,406,00020100.34%2008 UN estimate for year 201051 Republic of China (Taiwan) 23,131,093March 31, 20100.34%Official National Statistics Taiwan estimate52 Syria22,505,00020100.33%2008 UN estimate for year 201053 Australia22,480,595October 2, 20100.33%Australian Official Population Clock54 Côte d'Ivoire21,571,00020100.31%2008 UN estimate for year 201055 Romania21,466,174January 1, 20100.31%Eurostat estimate56 Sri Lanka20,410,00020100.3%2008 UN estimate for year 201057 Madagascar20,146,00020100.29%2008 UN estimate for year 201058 Cameroon19,958,00020100.29%2008 UN estimate for year 201059 Angola18,993,00020100.28%2008 UN estimate for year 201060 Chile17,137,000October 2, 20100.25%Official INE projection (p.36)61 Netherlands16,617,900October 2, 20100.242%Official Netherlands population clock62 Burkina Faso16,287,00020100.24%2008 UN estimate for year 201063 Kazakhstan16,197,000January 1, 20100.24%National Statistics Agency estimate64 Niger15,891,00020100.23%2008 UN estimate for year 201065 Malawi15,692,00020100.23%2008 UN estimate for year 201066 Mali14,517,176April 1, 20090.21%Preliminary 2009 census result67 Guatemala14,377,00020100.21%2008 UN estimate for year 201068 Ecuador14,256,000October 2, 20100.21%Official Ecuadorian population clock69 Cambodia13,395,682March 3, 20080.19%Cambodian 2008 Census70 Zambia13,257,00020100.19%2008 UN estimate for year 201071 Senegal12,861,00020100.19%2008 UN estimate for year 201072 Zimbabwe12,644,00020100.18%2008 UN estimate for year 201073 Chad11,506,00020100.17%2008 UN estimate for year 201074 Greece11,306,183January 1, 20100.16%Eurostat estimate75 Cuba11,204,00020100.16%2008 UN estimate for year 201076 Belgium10,827,519January 1, 20100.16%Eurostat estimate77 Portugal10,636,888January 1, 20100.15%Eurostat estimate78 Czech Republic10,512,397January 1, 20100.15%Eurostat estimate79 Tunisia10,432,500July 1, 20090.15%National Statistics Institute of Tunisia80 Guinea10,324,00020100.15%2008 UN estimate for year 201081 Rwanda10,277,00020100.15%2008 UN estimate for year 201082 Dominican Republic10,225,00020100.15%2008 UN estimate for year 201083 Haiti10,188,00020100.15%2008 UN estimate for year 201084 Bolivia10,031,00020100.15%2008 UN estimate for year 201085 Hungary10,013,628January 1, 20100.15%Eurostat estimate86 Serbia9,856,00020100.14%2008 UN estimate for year 201087 Belarus9,467,700August 1, 20100.14%National Statistical Committee88 Sweden9,380,437July 31, 20100.14%Statistics Sweden89 Somalia9,359,00020100.14%2008 UN estimate for year 201090 Benin9,212,00020100.13%2008 UN estimate for year 201091 Azerbaijan8,997,400January 1, 20100.13%State Statistical Committee of Azerbaijan92 Burundi8,519,00020100.12%2008 UN estimate for year 201093 Austria8,372,930January 1, 20100.12%Eurostat estimate94 Switzerland7,782,900December 31, 20090.11%Official Switzerland Statistics estimate95 Israel 7,627,800July 31, 20100.11%Israeli Central Bureau of Statistics96 Honduras7,616,00020100.11%2008 UN estimate for year 201097 Bulgaria7,576,751January 1, 20100.11%Eurostat estimate98 Tajikistan7,075,00020100.103%2008 UN estimate for year 201099 Hong Kong7,026,400December 31, 20090.102%Hong Kong Census and Statistics Department100 Papua New Guinea6,888,00020100.1%2008 UN estimate for year 2010101 Togo6,780,00020100.099%2008 UN estimate for year 2010102 Libya6,546,00020100.095%2008 UN estimate for year 2010103 Jordan6,472,00020100.094%2008 UN estimate for year 2010104 Paraguay6,460,00020100.094%2008 UN estimate for year 2010105 Laos6,436,00020100.094%2008 UN estimate for year 2010106 El Salvador6,194,00020100.09%2008 UN estimate for year 2010107 Sierra Leone5,836,00020100.085%2008 UN estimate for year 2010108 Nicaragua5,822,00020100.085%2008 UN estimate for year 2010109 Kyrgyzstan5,550,00020100.081%2008 UN estimate for year 2010110 Denmark5,543,819June 30, 20100.08%Statistics Denmark111 Slovakia5,429,763June 30, 20100.079%Statistics Slovakia112 Finland 5,369,500October 2, 20100.078%Official Finnish Population clock113 Eritrea5,224,00020100.076%2008 UN estimate for year 2010114 Turkmenistan5,177,00020100.075%2008 UN estimate for year 2010115 Singapore5,076,700June 30, 20100.074%Statistics Singapore116 Norway 4,905,300October 2, 20100.071%Official Norwegian Population clock117 United Arab Emirates4,707,00020100.068%2008 UN estimate for year 2010118 Costa Rica4,640,00020100.068%2008 UN estimate for year 2010119 Central African Republic4,506,00020100.066%2008 UN estimate for year 2010120 Ireland4,470,700April 20100.064%Irish Central Statistics Office estimate 2010121 Georgia 4,436,000January 1, 20100.065%National Statistics Office of Georgia122 Croatia4,435,056January 1, 20090.065%Eurostat estimate123 New Zealand4,391,800October 2, 20100.064%Official New Zealand Population clock124 Lebanon4,255,00020100.062%2008 UN estimate for year 2010125 Liberia4,102,00020100.06%2008 UN estimate for year 2010126 Puerto Rico3,998,00020100.058%2008 UN estimate for year 2010127 Palestinian territories3,935,2490.055%Palestinian Central Bureau of Statistics128 Bosnia and Herzegovina3,760,00020100.055%2008 UN estimate for year 2010129 Republic of the Congo3,759,00020100.055%2008 UN estimate for year 2010130 Moldova 3,563,800January 1, 20100.052%National Bureau of Statistics of Moldova131 Uruguay3,372,00020100.049%2008 UN estimate for year 2010132 Mauritania3,366,00020100.049%2008 UN estimate for year 2010133 Lithuania3,329,227January 1, 20100.048%Eurostat estimate134 Panama3,322,576May 16, 20100.048%Official INEC preliminary 2010 census result135 Armenia3,238,000January 1, 20090.047%National Statistical Service of Armenia136 Albania3,195,000January 1, 20100.046%Institute of Statistics INSTAT Albania137 Kuwait3,051,00020100.044%2008 UN estimate for year 2010138 Oman2,905,00020100.042%2008 UN estimate for year 2010139 Mongolia2,775,500October 2, 20100.04%Official Mongolian population clock140 Jamaica2,730,00020100.04%2008 UN estimate for year 2010141 Latvia2,236,300October 1, 20100.033%Official Statistics of Latvia142 Namibia2,212,00020100.032%2008 UN estimate for year 2010143 Lesotho2,084,00020100.03%2008 UN estimate for year 2010144 Slovenia2,065,350October 2, 20100.03%Official Slovenian population clock145 Republic of Macedonia2,048,620January 1, 20090.03%Eurostat estimate146 Botswana1,978,00020100.029%2008 UN estimate for year 2010147 Gambia1,751,00020100.025%2008 UN estimate for year 2010148 Qatar1,696,563April 20, 20100.025%Preliminary 2010 Census Results149 Guinea-Bissau1,647,00020100.024%2008 UN estimate for year 2010150 Gabon1,501,00020100.022%2008 UN estimate for year 2010151 Trinidad and Tobago1,344,00020100.02%2008 UN estimate for year 2010152 Estonia1,340,127January 1, 20100.019%[2]153 Mauritius 1,297,00020100.019%2008 UN estimate for year 2010154 Swaziland1,202,00020100.017%2008 UN estimate for year 2010155 East Timor1,171,00020100.017%2008 UN estimate for year 2010156 Djibouti879,00020100.013%2008 UN estimate for year 2010157 Fiji854,00020100.012%2008 UN estimate for year 2010158 Bahrain807,00020100.012%2008 UN estimate for year 2010159 Cyprus 801,851January 1, 20100.012%Eurostat estimate160 Guyana761,00020100.011%2008 UN estimate for year 2010161 Bhutan708,00020100.01%2008 UN estimate for year 2010162 Equatorial Guinea [5]693,00020100.01%2008 UN estimate for year 2010163 Comoros 691,00020100.01%2008 UN estimate for year 2010164 Montenegro626,00020100.009%2008 UN estimate for year 2010165 Macau542,200December 31, 20090.008%Macau Statistics and Census Service166 Solomon Islands536,00020100.008%2008 UN estimate for year 2010167 Western Sahara530,00020100.008%2008 UN estimate for year 2010168 Suriname524,00020100.008%2008 UN estimate for year 2010169 Cape Verde513,00020100.007%2008 UN estimate for year 2010170 Luxembourg502,207January 1, 20100.007%Eurostat estimate171 Malta416,333January 1, 20100.006%Eurostat estimate172 Brunei407,00020100.006%2008 UN estimate for year 2010173 Bahamas346,00020100.005%2008 UN estimate for year 2010174 Belize322,100June 30, 20080.005%Statistical Institute of Belize175 Iceland318,006July 1, 20100.005%Statistics Iceland176 Maldives314,00020100.005%2008 UN estimate for year 2010177 Barbados257,00020100.004%2008 UN estimate for year 2010178 Vanuatu246,00020100.004%2008 UN estimate for year 2010179 Netherlands Antilles201,00020100.003%2008 UN estimate for year 2010180 Guam180,00020100.003%2008 UN estimate for year 2010181 Samoa179,00020100.003%2008 UN estimate for year 2010182 Saint Lucia174,00020100.003%2008 UN estimate for year 2010183 São Tomé and Príncipe165,00020100.002%2008 UN estimate for year 2010184 Federated States of Micronesia111,00020100.002%2008 UN estimate for year 2010185 U.S. Virgin Islands109,00020100.002%2008 UN estimate for year 2010186 Saint Vincent and the Grenadines109,00020100.002%2008 UN estimate for year 2010187 Aruba107,00020100.002%2008 UN estimate for year 2010188 Grenada104,00020100.002%2008 UN estimate for year 2010189 Tonga104,00020100.002%2008 UN estimate for year 2010190 Kiribati100,00020100.001%2008 UN estimate for year 2010191 Jersey90,050Mid 20070.001%UN estimate: Series A, Table 2192 Antigua and Barbuda89,00020100.001%2008 UN estimate for year 2010193 Northern Mariana Islands88,00020100.001%2008 UN estimate for year 2010194 Seychelles85,00020100.001%2008 UN estimate for year 2010195 Andorra84,082December 31, 20090.001%[3]196 Isle of Man80,00020100.001%2008 UN estimate for year 2010197 American Samoa69,00020100.001%2008 UN estimate for year 2010198 Dominica67,00020100.001%2008 UN estimate for year 2010199 Bermuda65,00020100.001%2008 UN estimate for year 2010200 Marshall Islands63,00020100.001%2008 UN estimate for year 2010201 Guernsey61,811March 1, 20070.001%UN estimate: Series A, Table 2202 Greenland57,00020100.001%2008 UN estimate for year 2010203 Cayman Islands57,00020100.001%2008 UN estimate for year 2010204 Saint Kitts and Nevis52,00020100.001%2008 UN estimate for year 2010205 Faroe Islands48,760May 1, 20100.001%Official statistics of the Faroe Islands206 Liechtenstein35,904December 31, 20090.0005%[4]207 Monaco33,00020100.0005%2008 UN estimate for year 2010208 Turks and Caicos Islands33,00020100.0005%2008 UN estimate for year 2010209 San Marino31,794June 30, 20100.0005%San Marino's monthly official estimate210 Gibraltar31,00020100.0005%2008 UN estimate for year 2010211 British Virgin Islands23,0000.0003%UN estimate212 Cook Islands20,0000.0003%UN estimate213 Palau20,0000.0003%UN estimate214 Anguilla15,0000.0002%UN estimate215 Tuvalu10,0000.0001%UN estimate216 Nauru10,0000.0001%UN estimate217 Montserrat5,9000.0001%UN estimate218 Saint Helena 4,5000.0001%UN estimate219 Falkland Islands3,0000.00005%UN estimate220 Niue1,5000.00003%UN estimate221 Tokelau1,2000.00003%UN estimate222 Vatican City8000.00002%UN estimate223 Pitcairn Islands500.000001%UN estimate
1 China1,339,024,000August 21, 201019.51%Chinese Official Population Clock2 India1,186,580,000August 21, 201017.29%Indian Official Population Clock3 United States310,040,000August 21, 20104.52%United States Official Population Clock4 Indonesia234,181,400July 20103.41%Statistics Indonesia5 Brazil193,252,604July 20102.82%IGBE Projection6 Pakistan170,330,000August 21, 20102.48%Official Pakistani Population clock7 Bangladesh164,425,00020102.4%2008 UN estimate for year 20108 Nigeria158,259,00020102.31%2008 UN estimate for year 20109 Russia141,927,297January 1, 20102.07%Federal State Statistics Service of Russia10 Japan127,380,000June 1, 20101.86%Official Japan Statistics Bureau
No one really knows, but the best estimate is about 1 year for the smaller ones and 3 to 4 years for the bigger ones.
They usually take about 2 years to give you a certain estimate.
Yes, that's a reasonable rough estimate of the average, although it can be anywhere from 1 to 5 in any single year. During the 100 years of the 20th Century, there were 229 lunar eclipses, and 228 solar ones, for a long-term average of about 2.3 of each per year.
Estimate in one year is about 1.7billion. Since you didn't give me the date a decided to give you the estimate for one year. Hopes this helps.
92,407,000 (mid-year estimate)