The foreign born population in the US grew by 15.6 per cent from 2010 to 2022 and is projected to reach 46.2 million (which is 13.9 per cent of the total population in 2022). In 2010, the foreign population was 40 million, accounting for 12.9 per cent of the total population. 1970 statistics of American immigrants put the foreign born population at 9.6 million, Only 4.7 per cent of the US population. The US Census Bureau has also released a report titled 'The Foreign Born Population in the US: 2022' which analyzes this data. It said nearly half (49.1 per cent) of immigrants in the US entered the country before 2000. This report compares the 2010 and 2022 American Community Survey.

The foreign population from Asia (which includes India and China) is the second largest contingent. It was 11.28 million in 2010. and a 27 per cent increase to 14.35 million in 2022. The top region continues to be Latin America and the Caribbean (Mexico is an important country). The foreign population from the region grew by 9.5 per cent to 23.23 million in 2020. Foreign population not US citizens at birth (this includes those who later become US citizens). Therefore, it also includes green card holders, temporary immigrants including foreign students, refugees, and illegal immigrants.

Most immigrants have acquired US citizenship, and more than half (52.3 per cent) of the foreign born population are American citizens, the data says. Those born in Europe and Asia are more likely to be US citizens. According to data released by the US Citizenship and Immigration Services (USCIS) in February, nearly 8.7 lakh foreign nationals became US citizens in fiscal year 2023 (the year ending September 30, 2023). 1.1 million Mexicans (12.7 per cent of the total number of new citizens) became US citizens. India ranked as the second highest country for new citizens, with 59,100 individuals (6.7 per cent) acquiring US citizenship.