Birth Rate & Fertility

The share of multiples born in the U.S. is at an all-time high. In 2014, 3.5% of all babies born were twins, triplets or higher-order multiples, new data show.

China’s rapid economic development, its urbanization and its culture will continue to play a role in family size and the population’s gender makeup.

The roughly 47% of the population today who were born under the one-child policy lived through a very different China than those born before.

This region in Eastern Europe has been predominately female since at least WWII.

The likelihood of becoming a young father plummets for those with a bachelor’s degree or more: Just 14% had their first child prior to age 25.

In 2014, 40% of births were to unmarried mothers, a slight decline from the 41% share that had held steady since 2008. Although the single percentage point drop in 2014 was small, it was only the third one-year dip in this measure since the end of World War II.

It could be a half-century (or longer) before Hispanics become a majority there, according to scaled-back state population projections.

Two-thirds (66%) of U.S. Mormon adults are currently married, down slightly from 71% in 2007 – but still high compared with current rates among Christians overall (52%) and U.S. adults overall (48%).

Half of Americans (48%) say two is the ideal number of children for a family to have, reflecting a decades-long preference for a smaller family over a larger one.

For women, postgraduate education and motherhood are increasingly going hand-in-hand. Not only are highly-educated women more likely to have kids, they are also having bigger families than in the past.