Immigration in 2024 drove the overall U.S. population growth to its fastest rate in 23 years as the nation surpassed 340 million residents. The Census Bureau changed how it counted immigrants last year by including more people who were admitted to the U.S. for humanitarian, and often temporary, reasons.

All of the United States’ net population growth between 2022 and 2023 was due to immigration, according to the Migration Policy Institute, a nonpartisan think tank. It’s the first time population influx from immigration has outpaced native births since the Census began to collect data on nativity in 1850,

All U.S. population growth in 2022-23 happened because of immigration, not births, the first time that’s occurred since 1850, the Migration Policy Institute reported Wednesday.