Saipan's 2026 population is now estimated at 31,929. In 1990, the population of Saipan was 38,896. Saipan experienced a decrease of -834 residents over the past year, marking an annual decline of -2.55%. These population values and projections come from Northern Mariana municipality census series 1990-2010 (unofficial compilation) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Saipan | 31,929 | -2.55% |
| Tinian | 2,583 | -1.22% |
| Rota | 1,663 | -2.58% |
| Northern Islands | 2 | 0% |