A girl walks past graffiti on a market wall in Niger's capital Niamey on September 11, 2011. Niger has the highest fertility rate in the world at 7.8 births per woman. Finbarr O'Reilly/Reuters
A mother holds her child on a street in Kampala, Uganda, March 10, 2009. The World Bank reported that Uganda has the world's youngest population, and the highest youth unemployment. Mary Knox Merrill/The Christian Science Monitor
Malian pupils study during a French language class during a French language lesson in Mali's capital Bamako on June 15, 2005. Mali has the third highest fertility rate and is one of the world's poorest nations. Finbarr O'Reilly/Reuters
An orphan gets a bath at the Kaoma orphanage in Kaoma, Zambia. The number of orphans in the southern African nation is exploding as the number of people with HIV/AIDS continues unchecked. Andy Nelson / The Christian Science Monitor
France's first lady Carla Bruni-Sarkozy poses among women with children at the Pissy medical center in Ouagadougou, Burkina Faso, February 11, 2009. Burkina Faso, with a population of 16.3 million has the world's fifth highest fertility rate. Philippe Wojazer/Reuters
French President Jacques Chirac kisses a child holding a French flag as he walks in a street in the French overseas territory of Saint Pierre et Miquelon, September 7, 1999. Saint Pierre et Miquelon, an archipelago located near the Southern coast of Canada has the world's fifth lowest birth rate with a shirking population of 5,888 people. Reuters
Andreas (r.) and Josephine Kuebler (l.) and their children Katharina and Beatrice from Potsdam look at their son Alexander who is asleep in the incubator at Berlin's Charite-Hospital, Germany, February 4, 2005. Alexander was one of quadruplets born for the first time since fifteen years in the state of Brandenburg. With the fifth largest economy in the world, Germany has the fourth lowest birth rate in the world. Soeren Stache/Reuters
Mothers and children stand in front of a dragon icon symbolizing Hong Kong at the Hong Kong flower show on March 11, 2003. While the territory remains one of the most crowded cities in the world, it has become concerned with a steep decline in its birth rate. Every 10 women in the territory give birth to only 9 babies in their lifetimes, comparing with the 21 babies that would be needed for a self-sustaining population. The government has announced steps to accept immigrants based on their wealth and to encourage local families to have more babies. Bobby Yip/Reuters
Nursery school children wash their hands before eating lunch at Hinagiku nursery in Moriyama, western Japan, May 27, 2008. Expanding childcare facilities and paying more attention to work-life balance would help boost female employment, while also raising Japan's exceptionally low birth rate, according to the OECD's Economic survey of Japan. Yuriko Nakao/Reuters
Finnish Formula One driver Mika Hakkinen (r.) looks over at his wife Erja (l.) who holds their 11-day old son Hugo as they prepare for the holiday season on December 22, 2000 in Monaco. With a population of about 30,000 people, Monaco has the lowest birth rate in the world. Remy Le Morvan/Reuters
The US birth rate could be leveling off after a four-years of drop: 4 million Americans were born in 2012, just a few hundred fewer than2011. Teen births are in a "stunning turnaround," and the birthrate for older moms is increasing.
ByMike Stobbe, Associated Press
AP Photo/Rick Bowmer, File
After falling four years in a row, US births may finally be leveling off.