Foz do Iguacu's 2025 population is now estimated at 259,335. In 2010, the population of Foz do Iguacu was 256,088. Foz do Iguacu has grown by 1,087 in the last year, which represents a 0.08% annual change.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Sao Paulo | 22,990,000 | 0.8% |
| Rio de Janeiro | 13,923,200 | 0.72% |
| Belo Horizonte | 6,351,680 | 0.81% |
| Brasilia | 4,990,930 | 1.13% |
| Recife | 4,344,050 | 0.9% |
| Fortaleza | 4,284,450 | 0.9% |
| Porto Alegre | 4,268,960 | 0.69% |
| Salvador | 4,029,910 | 0.87% |
| Curitiba | 3,889,140 | 0.95% |
| Campinas | 3,491,580 | 0.96% |
| Goiania | 2,927,080 | 1.27% |
| Belem | 2,453,800 | 0.89% |
| Manaus | 2,434,640 | 1.15% |
| Grande Vitoria | 2,220,560 | 1.08% |
| Baixada Santista | 1,981,790 | 0.85% |
| Natal | 1,575,050 | 1.2% |
| Grande Sao Luis | 1,548,210 | 0.79% |
| Joao Pessoa | 1,447,780 | 0.88% |
| Maceio | 1,387,920 | 0.87% |
| Joinville | 1,374,630 | 0.93% |