1) The term "immigrants" (also known as the foreign born) refers to people residing in the United States who were not U.S. citizens at birth. This population includes naturalized citizens, lawful permanent residents (LPRs), certain legal nonimmigrants (e.g., persons on student or work visas), those admitted under refugee or asylee status, and persons illegally residing in the United States.

2) The figure for China includes Hong Kong in 2018 but not for earlier years. Click on the “Get the Data” button below to view the number of immigrants from Hong Kong and Taiwan in 2018 and earlier years.