| People | Immigrants 14 years of age and over | Immigrant illiterates 14 years of age and over |
| Number | Per cent |
| Jewish | 806786 | 209507 | 26.0 |
| Bohemian and Moravian | 79721 | 1322 | 1.7 |
| Croatian and Slovenian | 320977 | 115785 | 36.1 |
| English | 347458 | 3647 | 1.0 |
| Finnish | 137916 | 1745 | 1.3 |
| German | 625793 | 32236 | 5.2 |
| Greek | 208608 | 55089 | 26.4 |
| Irish | 416640 | 10721 | 2.6 |
| Italian, North | 339301 | 38897 | 11.5 |
| Italian, South | 1690376 | 911566 | 53.9 |
| Lithuanian | 161441 | 79001 | 48.9 |
| Magyar | 307082 | 35004 | 11.4 |
| Polish | 861303 | 304675 | 35.4 |
| Ruthenian | 140775 | 75165 | 53.4 |
| Scandinavian | 530634 | 2221 | .4 |
| Scotch | 115788 | 767 | .7 |
| Slovak | 342583 | 82216 | 24.0 |
| Total[3] | 8398624 | 2238801 | 26.7 |
| [1] All peoples with an immigration below 100,000 excluded, except the Bohemian and Moravian. |
| [2] From Statistical Review of Immigration, p. 51. |
| [3] Total for all races. |