# What percentage of the world's population has Down syndrome?

Would you like to merge this question into it?

#### already exists as an alternate of this question.

Would you like to make it the primary and merge this question into it?

#### exists and is an alternate of .

Varying statistics reported by our users:
• 2 percent of the world's population has Down syndrome.
• According to Wikipedia, 0.1-0.125 % of babies who are born have Down syndrome (1 in every 800-1000 births).
• The overall incidence of Down syndrome is 1:660 newborns, thereby making it the most common genetically diverse configuration in humans.

• Research shows that 1:800-1000 people (approximately 900) are born with Down syndrome. If you compare this with the number of people on earth - 6.5 billion - then there are about 7,222,222 people with Down syndrome. This is about 0.11111110769231% of the approximate population of earth.

• According to scientific data, Down syndrome occurs in 1 out of every 750 births. The incidence, however, increases dramatically with increasing maternal age. If you look at the Related link below, you will see that, under about age 30, there is a 1:1000 chance in having a child with Down syndrome; at age 40, however, there is about a 1:100 chance. This increases to 1:10 by age 50.

• Approximately 1:800-1,000 babies are born with Down syndrome.

• The overall incidence of Down syndrome is 1:660 newborns.

43 people found this useful

# What percentage of the world's population is Jewish?

There are about 14 million Jews in the world as of 2010; 6.2million in Asia (including Israel), 5.5 million in America, twomillion in Europe and 100,000 in Africa. Out of the world'spopulation of seven billion, the Jews are about 0.2%. And yet Jews have earned 22% of all individual recipients of No (MORE)

# What percentage of the world's population is Black?

To answer this question there really isn't a "Black Race" per say. Black is not literally the color of the people commonly referred to as "Black". As a matter of fact "Black" people actually come in different shades of brown."Black" people range from light caramel to nearly black in color. Much of t (MORE)

# What percentage of world's population is Catholic?

Around 33% percent of the world population is Christian. A Pew Forum survey from 2007 shows that 23.9% of the US population identifies themselves as Catholic (compared to the 78.4% who identify as Christian) Worldwide, however, Catholicism accounts for greater than 50% of all Christians and is (MORE)

# What percentage of the world's population is in Asia?

If the population of Asia is 4,050,404,000 and there are just under6.8 billion people on the planet you will find this percentage tobe approximately 59.56% . There are actually only about 3,900,000,000 people in Asia and theworld population is about 6,970,000,000 so that comes to around 56% .

# What percentage of the world's population is Buddhist?

Most eastimates indiccate about 6% of the world population (420 to500 million of 7 billion total population) is Buddhist. The numberis difficult to determine as some countries with large populations(e.g. China) do not provide supportable data.

# What percentage of the world's population owns cars?

Answer . with 6.7 billion people and 570 million cars the answer must be 8.5%

# What percentage of the world's population live in Canada?

34 million / 7 Billion = 0.0048 x 100 = 0.48. . Less than one half of one percent of the world lives in Canada.

# What percentage of the entire world's population is white?

Seems to be between 9% and 12%, depending how Hispanics are counted and of course, the Clintonian discourse on what 'white', 'is'. In unadulterated, strick 'European' (not Slav) origin of 4 generations of parentage, the number could be much lower - probably 5%, but impossible to verify. About 18 (MORE)

# What percentage of world's population speak English?

It is estimated that almost 30% of humans can speak English (over two billion). English is the most spoken language on the planet, counting first, second, third, etc. language speakers. It is the official language of over 50 countries and it is a language of business and marketing world wide.

# What percentage of the world's population are men?

There are approximately seven billion people that live on planetEarth. Males out number females by a slight percentage with 50.24%of the world's population being male.

# What percentage of the world's population will have cancer?

The current estimated human population for the planet earth in 2010 is 6,865,300,000 by the United States Census Bureau. The United Nations estimates that world population will be over the 7,000,000,000 mark in 2011. Recent U.N. organized surveys performed in multiple countries have found the aver (MORE)

# What percentage of the world's population is Catholic?

About 15 percent of the world's population is Roman Catholic. Thecountry with the most Catholics is Brazil, followed by Mexico, andthen the United States.

# Is there any specific population that has a high percentage of people with Down syndrome?

There are studies ( Am J Epidemiol 1997; 145: 134-47) indicating that Hispanics possibly have a higher incidence at maternal age under 40. The question is as always, how reliable are those numbers.

# The population of the US accounts for what percentage of the world's population?

Per the CIA World Factbook 6/19/08: the U.S. population is 303,824,646 the world population is 6,677,563,921 That means that the U.S. accounts for 4.55% of the world population.

# What percentage of the world's population belongs to a religion?

I estimate from historic data that approximately 80% of the world's population believes in a supreme spiritual entity and as such ascribe/belong to a religion or religious belief system.

# What percentage of world's population own an automobile?

It is estimated that only roughly 10 percent of the world'spopulation owns an automobile. As of 2014, the population of theworld is approximately 7 billion.

# What percentage of the world's population own a computer?

Computer ownership is now at about 4-5% of the worlds population; however, with many social projects putting computers in villages in developing countries between 12-14% of the worlds population have access to a computer. Approx 3-5 % of the world's population have internet access. To put this (MORE)

# What percentage of the world's population is in North America?

North America has about 7% the world's population and accounts for 1/3 of the world's economic output.

# What percentage of the world's population can speak English?

About 500,000,000 people speak English as a first language, so that would be around 7% of all humans speak English as a first language. As any other language but first, it is estimated that 2,100,000,000 humans speak English, or about 30%.

# What percentage of the world's population has brown eyes?

"Considering pretty much everyone in china, India, the rest of Asia, Africa, south America and the middle east, as well as Greeks and Italians and heaps of other europeans are all exclusively, or all but exclusively brown eyed. I would estimate the figure around 95 percent of the global population (MORE)

# What percentage of the world's population is America?

4.6% roughly. American population: 307,006,550 - Jul 2009 Source: U.S. Census Bureau, Population Division World Population:6,697,254,041 - 2008 Source: World Bank, World Development Indicators

# What percentage of the world's population of males are circumcised?

It's hard to say, but circumcision is most common in the United States and Israel.

# What percentage of the population suffers from Zellweger syndrome?

Prevalance of Zellweger Syndrome: rare . Please see the following link for extrapolation of statistical data http://www.wrongdiagnosis.com/z/zellweger_syndrome/stats-country.htm

# What percentage of world's population are Christian?

As of 2012, there are 2.4 billion Christians in the world. This is 34 percen t of the world's total population of 6.8 billion people.

# Which place in the world has the highest percentage of people with Down syndrome?

There is a site with that information: See below in related links for Wrong diagnosis.com There is an option to choose for statistics. The information is too long and technical for this space.

# What percentage of the world's population speaks Portuguese?

Portuguese consistently ranks as number six on the list of the ten most spoken languages in the world. The total of the world's population hovers around 6.77 billion, as of April 2009. But the estimates of total numbers of Portuguese speakers ranges from 176 million to 230 million. Based on the firs (MORE)

# What percentage of the world's population own a car?

There are approximately 600 million cars, passenger vans, SUVs and light trucks in the world today. Of those about 240 million are found in the United States. It is a little difficult to then do simple math and say there are 6.76 billion people in the world (according to the US Census Bureau) so (MORE)

# What percentage of the population is affected by Moebius syndrome?

It is estimated that there are 2 to 20 cases of MÃ¶bius syndrome per million births.

# What percentage of the world's population is overweight?

Speaking only for the United States, about 60-65% are overweight and about 30% are obese. The most rapidly increasing rate of morbid obesity now is seen in the 15-20 year old group.

# What percentage of the US population has Tourette's syndrome?

It's estimated that about 200,000 people in the US suffer from Tourette's syndrome in 2009, which would be about 6.5% of the population.

# What is the frequency of carriers of Down syndrome in the population?

Down syndrome is an abnormality of the chromosomes and not genic in origin .This occurs in one of every two thousand newborns. People do not "carry" this and the child is born with three rather than two chromosomes numbered 21. The mother and father of the child are normal except in the rare case of (MORE)

# What percentage of the world's population have a perfect figure?

NOBODY has a perfect figure, unless you yourself are happy with it. Even if everyone says "wow amazing body" that doesn't mean it's perfect. There is no perfect because nobody's perfect!!!!!! simple.

# What percentage of the world's population does not have electricity?

"Some 1.6 billion people, about one quarter of the world?s population, have no access to electricity today. Eighty percent of these people live in rural areas of the developing world, mainly in South Asia and sub-Saharan Africa where rapid urban migration and population growth will occur over the (MORE)

# What percentage of the world's population are serial killers?

With so many serial killers not identified, there can not be statistics showing the population of the world's serial killer. 76% of the world's serial killers are in America is a statistic based ongoing studies. The United States only has about seven percent of the world's population, but has been h (MORE)

# What percentage of the world's population is Mormon?

As of January 2010, there are 13.8 million baptized members of the Church of Jesus Christ of Latter-day Saints (the "Mormon" church) worldwide. The world population is approximately 6.7 billion. This means that 0.21% of the world's population is Mormon. This is about same as the percentage of the (MORE)

# What percentage of the world's population are not Christian?

As it is hard to exactly measure religious affiliation, and as many organizations have incentives to exaggerate their membership, it is hard to quantify well. Christianity is still generally thought to be the most popular religion in the world today. Best estimates is that around 2 billion people (MORE)

# Is the world's population going up or down?

the world population is going up at a mindblowing pace. in only 10 years we went form 4 billion people to 6 billion people. that a 50% increase in just 10 years.

# What percent of the world's population has cri du chat syndrome?

Cri Du Chat syndrome is a rare Genetic disorder. About 10% of the population has Cri Du chat. There is no cure to this disease.

# What percentage of the world's population are criminals?

It's impossible to tell, are we talking about what percentage of the world has been arrested and charged? Or are we also talking about what percentage of the world has broken the law and got away with it? Everybody has broken some law in their life whether it was speeding, littering, jay walking, sp (MORE)

# What percentage of the world's population is uneducated?

Unbelievably, the percentage of the world's population being uneducated, is 46 percent. *Considering that most of the world's population is still involved in farming and other subsistence activities, in villages or smaller social units, the figure of 46 percent is not credible.

# What percentage of world's population are Hindus?

According to the CIA World Factbook, out of the total world population of 7.015 billion 13.78% are Hindus. (as of 2009 estimation) Hinduism is growing at around 1.52 percent annually.

# What percentage of the world's population have blue eyes?

7 billion people in the world. 300 million of them have blue eyes. This equals 4.29 percent.

# What percentage of the world's population is in uspacom?

It is not possible to answer the question the way it is written. Please rephrase and resumbit.

# What percentage of the world's religious population is Christian?

If you combine Catholics, Protestants and Eastern Orthodox together, believe it or not I think its a solid 60%, the two biggest being Catholic and Orthodox believe it or not. Orthodox Christians in fact outnumber protestants, because of Russia and the Balkan's massive combined population, however th (MORE)

# What percentage of the world's population speaks Arabic?

It's really hard to tell since it's a forein language that isn't to popular,but it's 17%.

# What percentage of the world's population is left footed?

If you mean what percentage of the world's people are left handed, then it's around 10 to 20 Percent. Left handed people are much more rare than right handed.

# What percentage of the world's population lives in antarctica?

There is no native or permanent population on the Antarctic continent. People who live and work there temporarily may count into the 4-8,000 person range. In 2013, the population of planet earth was projected to be about 7.125 billion. Can you do the math?

# What percentage of the world's population are true christians?

Sadly very few. 33% call themselves Christians but in reality probably only 19% are true practicing Christians, perhaps less

# What pErcentage of people have downs syndrome?

1 in every 1,000 babies that is born. 1 is the down syndrome and 1,000 is the people that dont.

# What percentage of the world's population lives in Queensland?

In May 2012, the current estimate of the world's population is 7 016 000 000, while the population of Queensland is roughly 4 650 500. Thus, the percentage of the world which lives in Queensland is about 0.066%.