STATISTA: Immigration Makes Up Most of US Population Growth
STATISTA: US POPULATION GROWTH BIRTHS VS IMMIGRATION by Katharina Buchholz, Jul 10, 2026 The U.S. population grew by around 1.8 million people last year and immigrants made up more than 70 percent of that increase. Immigration is responsible for a rising share of U.S. population growth, while fewer births taking place in the country have diminished the role of natural population increase, as shown in figures by the U.S. Census Bureau. Apart from this general trend, fluctuations tied to immigration policy are clearly visible in the data (as is the release of a new Census in 2021). During the first Trump administration, fewer immigrants settled permanently in the country in 2017-2019, causing the share of immigration in population growth to shrink. The same happened in 2025 when immigrant settlements fell once again from their post-Covid peak (after the pandemic itself had been another factor that disrupted immigration flows). In 2011, only around 35 percent of U.S. populati...