┊ dashed lines mark 1979 Oil shock & inflation peak · 1987 Black Monday crash · 1991 Gulf War recession
Method & caveats. Sixteen decennial observations from 1850–2000, not annual ACS. Published percentage in the foreign-born column. For 1850/1860 the source assumes enslaved people were native-born; 1890 excludes certain Indian Territory/reservation populations. 1970 uses the 15-percent sample. Breaks: Alaska and Hawaii included from 1960; historical geography and nativity coverage vary.
Sources
Every value on this page is read from the publisher below. Current and historical source documents: