Population Trends

Lawful immigrants account for three-quarters of the foreign-born population in the U.S. – 33.8 million people out of 44.7 million people in 2015.

Despite its slowing growth rate, the U.S. Hispanic population continues to expand, reaching a record 58.6 million in 2017.

While 67% of lawful immigrants eligible for naturalization had applied for and obtained U.S. citizenship by 2015, this share was only 42% among Mexicans.

There were a record 43.2 million immigrants living in the U.S. in 2015, making up 13.4% of the nation’s population.

Take a look at 10 recent findings on demographic trends, ranging from global refugee and migrant flows to changes to family life and living arrangements.

As the Mexican share of the total declined, the unauthorized immigrant population in the U.S. in 2015 was smaller than when the Great Recession ended.

By 2060, more than four-in-ten Christians and 27% of Muslims around the world will call sub-Saharan Africa home.

While the world’s population is projected to grow 32% in the coming decades, the number of Muslims is expected to increase by 70% – from 1.8 billion in 2015 to nearly 3 billion in 2060.

To mark the 100th anniversary of the U.S. government granting American citizenship to the residents of Puerto Rico, here are key facts about the territory.

While many, especially in the U.S., may associate Islam with the Middle East or North Africa, nearly two-thirds of the world's 1.6 billion Muslims live in the Asia-Pacific region.