Population Trends

In 2014, just 14% of children younger than 18 lived with a stay-at-home mother and a working father who were in their first marriage. In 1960, half of children were living in this arrangement.

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.

Last year, 84,000 people left Puerto Rico for the U.S. mainland, a 38% increase from 2010. At the same time, the number of people moving to Puerto Rico from the mainland declined.

A snapshot of the U.S. in 2065 would show a nation that has 117 million more people than today, with no racial or ethnic majority group taking the place of today’s white majority.

The nation's foreign-born population has swelled from 10 million in 1965 to a record 45 million in 2015. By 2065, the U.S. will have a projected 78 million immigrants.

About 295,000 babies were born to unauthorized-immigrant parents in 2013, making up 8% of the 3.9 million U.S. births that year. This was down from a peak of 370,000 in 2007.

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

What exactly does it mean to live on $2 per day? And how does that compare with the notion of poverty in richer countries?

In a trend that is both a consequence of and contributor to its financial woes, the island’s population is declining at a clip not seen in more than 60 years.

As of last summer, 364 counties, independent cities and other county-level equivalents (11.6% of the total) did not have non-Hispanic white majorities – the most in modern history.