Provinces | 1969 | 1979 | 1989 | 1999 | 2009 |
Nairobi | 509,286 | 827,775 | 1,324,570 | 2,143,254 | 3,138,369 |
C. Province | 1,675,647 | 2,345,833 | 3,116,703 | 3,724,159 | 4,383,743 |
Coast Province | 944,082 | 1,342,794 | 1,829,191 | 2,487,264 | 3,325,307 |
E. Province | 1,907,301 | 2,719,851 | 3,768,677 | 4,631,779 | 5,668,123 |
N.E. Province | 245,757 | 373,787 | 371,391 | 962,143 | 2,310,757 |
Nyanza | 2,122,045 | 2,643,956 | 3,507,162 | 4,392,196 | 5,442,711 |
R. Valley | 2,210,289 | 3,240,402 | 4,981,613 | 6,987,036 | 10,006,805 |
W. Province | 1,328,298 | 1,832,663 | 2,544,329 | 3,358,776 | 4,334,202 |
Total Population | 10,942,705 | 15,327,061 | 21,443,636 | 28,686,607 | 38,610,097 |