In general it is known that Asia has the highest road fatalities rate in the world.
The highest natural increase rate in the world is 36.61 and belongs to Niger.
According to the CIA World Factbook's 2007 estimates, Angola has the highest infant mortality rate, at 184.44 deaths per 1,000 live births. According to the 2006 United Nations World Population Prospects report, Sierra Leone has the highest infant mortality rate, at 160.3 deaths per 1,000 live births.
The country with the highest twin birth rate in the world is Benin, located in West Africa. It is estimated that about 27.9 out of every 1,000 births in Benin are twins, making it the highest rate globally.
bacteria has the highest population rate? there are five decillion germs alive today. (5,000,000,000,000,000,000,000,000,000,000,000,000)
Niger 7.45
As of the year 2011, the country that had the highest urbanization rate was Singapore. Singapore had an urban population of 100 and an urbanization rate of 1.2.
america
Russia
1929
Niger has the highest natural increase rate in the world
the united states has the highest obesity rate (30.6) in the world.