Si'ufaga's 2026 population is now estimated at 71. In 2010, the population of Si'ufaga was 175. Si'ufaga experienced a decrease of -7 residents over the past year, marking an annual decline of -8.97%. These population values and projections come from U.S. Census Bureau 2010 DPSF village population (American Samoa), U.S. Census Bureau 2020 PHC table 02 village population (American Samoa) and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Tafuna | 8,014 | 0.05% |
| Nu'uuli | 5,613 | 1.89% |
| Ili'ili | 3,000 | -0.4% |
| Pago Pago | 2,606 | -2.47% |
| Mapusagafou | 2,160 | 3.1% |
| Faleniu | 1,986 | 0.3% |
| Pava'ia'i | 1,909 | -1.75% |
| Vaitogi | 1,898 | -0.21% |
| Leone | 1,405 | -2.29% |
| Fagatogo | 1,270 | -2.23% |
| Aua | 1,232 | -4.12% |
| Vailoatai | 1,044 | -2.34% |
| Malaeimi | 964 | -1.43% |
| Puapua | 952 | -0.1% |
| Anua | 746 | 6.57% |
| Aoloau | 671 | 0.45% |
| Futiga | 657 | -0.76% |
| Lauli'i | 642 | -2.43% |
| Taputimu | 630 | -2.02% |
| Faga'alu | 624 | -2.8% |
| Malaeloa/aitulagi | 564 | -1.4% |
| Fagasa | 425 | -5.56% |
| Mesepa | 398 | -0.5% |
| Aasu | 384 | -1.54% |
| Aunu'u | 382 | -0.78% |
| Utulei | 356 | -5.32% |
| Vatia | 352 | -4.86% |
| Malaeloa/ituau | 348 | -3.6% |
| Leloaloa | 315 | -2.78% |
| Matu'u | 268 | -2.9% |
| Tula | 250 | -3.85% |
| Amanave | 244 | 0% |
| Auma | 235 | -0.42% |
| Afono | 209 | -8.33% |
| Faga'itua | 199 | -7.01% |
| Auto | 185 | -2.63% |
| Satala | 171 | -3.93% |
| Aumi | 170 | -0.58% |
| Amaluia | 164 | 0% |
| Atu'u | 162 | -6.9% |
| Masefau | 161 | -9.55% |
| Nua | 155 | 0.65% |
| Alao | 143 | -13.33% |
| Olosega | 118 | -2.48% |
| Asili | 117 | -5.65% |
| Masausi | 116 | -2.52% |
| Fagali'i | 113 | -6.61% |
| Ofu | 106 | -3.64% |
| Se'etaga | 104 | -10.34% |
| Maia | 100 | -3.85% |
| Luma | 92 | -6.12% |
| Poloa | 92 | -6.12% |
| Alofau | 86 | -28.93% |
| Leusoali'i | 79 | -2.47% |
| Failolo | 74 | -2.63% |
| Auasi | 73 | -3.95% |
| Si'ufaga | 71 | -8.97% |
| Onenoa | 70 | -6.67% |
| Faleasao | 69 | -8% |
| Utusia | 60 | 0% |
| Faganeanea | 59 | -7.81% |
| Pagai | 59 | -4.84% |
| Utumea East | 59 | 1.72% |
| Amaua | 51 | -5.56% |
| Sa'ilele | 51 | -1.92% |
| Fatumafuti | 47 | -9.62% |
| Afao | 44 | -16.98% |
| Agugulu | 37 | -2.63% |
| Aoa | 37 | -57.95% |
| Utumea West | 35 | -2.78% |
| Fagamalo | 31 | -3.13% |
| Avaio | 28 | -3.45% |
| Swains | 17 | 0% |
| Alega | 14 | -12.5% |
| Sili | 11 | 0% |
| Maloata | 5 | 0% |