The population of Solomon Islands is expected to grow by 12,000 in 2026 and reach 734,000 in 2027. Migration (including immigration and emigration) decreases population by 2,400 people yearly. The population density of Solomon Islands has changed from 8.2 in 1980 to 24.9 in 2024.
| Current population | 723,707 people at present (Tuesday 17th of March 2026) | |
| Median Age | 26.1 years |
| Population density | 25.8 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2026 | 721,000 | 12,000 (1.7%) | -2,400 | 26.1 | 26 | 195,000 (27.0%) | |
| 2025 | 709,000 | 13,000 (1.8%) | -2,400 | 26.0 | 3.41 | 25 | 189,000 (26.6%) |
| 2024 | 0 | 0 (0.0%) | -2,400 | 25.7 | 25 | 183,000 (26.2%) | |
| 2023 | 0 | 0 (0.0%) | -2,400 | 25.5 | 24 | 177,000 (25.8%) | |
| 2022 | 0 | 0 (0.0%) | -2,400 | 25.5 | 24 | 171,000 (25.4%) | |
| 2021 | 0 | 0 (0.0%) | -2,400 | 25.2 | 24 | 165,000 (25.0%) | |
| 2020 | 647,000 | 12,000 (1.9%) | -2,400 | 24.9 | 3.64 | 23 | 159,000 (24.5%) |
| 2019 | 0 | 0 (0.0%) | -2,400 | 24.9 | 3.69 | 23 | 153,000 (24.1%) |
| 2018 | 0 | 0 (0.0%) | -2,400 | 24.6 | 3.75 | 22 | 148,000 (23.7%) |
| 2017 | 0 | 0 (0.0%) | -2,400 | 24.5 | 3.80 | 22 | 142,000 (23.2%) |
| 2016 | 0 | 0 (0.0%) | -2,400 | 24.3 | 3.85 | 21 | 136,542 (22.8%) |
| 2015 | 587,482 | 11,978 (2.0%) | -2,400 | 24.2 | 3.91 | 21 | 131,179 (22.3%) |
| 2010 | 527,790 | 11,711 (2.2%) | -2,374 | 23.6 | 4.24 | 19 | 105,811 (20.0%) |
| 2005 | 469,885 | 11,561 (2.5%) | -2,379 | 23.1 | 4.50 | 17 | 83,790 (17.8%) |
| 2000 | 412,609 | 11,071 (2.7%) | -980 | 22.6 | 4.72 | 15 | 65,246 (15.8%) |
| 1995 | 359,225 | 10,000 (2.8%) | -135 | 22.1 | 5.20 | 13 | 52,677 (14.7%) |
| 1990 | 311,840 | 8,587 (2.8%) | -194 | 21.7 | 5.85 | 11 | 42,650 (13.7%) |
| 1985 | 270,801 | 8,092 (3.0%) | -366 | 21.5 | 6.28 | 10 | 33,669 (12.4%) |
| 1980 | 230,607 | 7,710 (3.3%) | 21.5 | 6.75 | 8 | 24,389 (10.6%) | |
| 1975 | 193,445 | 7,113 (3.7%) | 36 | 21.6 | 7.24 | 7 | 17,652 (9.1%) |
| 1970 | 160,290 | 5,415 (3.4%) | 424 | 22.8 | 6.91 | 6 | 14,293 (8.9%) |
| 1965 | 136,847 | 4,065 (3.0%) | 438 | 22.8 | 6.42 | 5 | 9,915 (7.2%) |
| 1960 | 117,866 | 3,530 (2.9%) | 470 | 22.9 | 6.39 | 4 | 6,799 (5.8%) |
In 2025 the population of Solomon Islands was 709,000 and the average age increased from 22.9 in 1960 to 26.0. Urban population has increased from 65,246 (15.8%) in 2000 to 195,000 (27.0%) in the current year. The population density of Solomon Islands has changed from 8.2 in 1980 to 24.9 in 2024.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -2,400 | 24.9 | 3.64 | 23 | 159,000 (24.5%) |
| 2025 | 0 | 0 (0.0%) | -2,400 | 26.0 | 3.41 | 25 | 189,000 (26.6%) |
| 2030 | 773,000 | 13,000 (1.7%) | -2,400 | 26.9 | 3.21 | 28 | 221,000 (28.6%) |
| 2035 | 839,000 | 14,000 (1.7%) | -2,400 | 27.9 | 3.04 | 30 | 254,000 (30.3%) |
| 2040 | 905,000 | 13,000 (1.4%) | -2,400 | 29.0 | 2.89 | 32 | 289,000 (31.9%) |
| 2045 | 970,000 | 13,000 (1.3%) | -2,400 | 30.0 | 2.75 | 35 | 325,000 (33.5%) |
| 2050 | 1,033,000 | 13,000 (1.3%) | -2,400 | 31.0 | 2.63 | 37 | 363,000 (35.2%) |
The life expectancy at birth should reach 77.7 (75.8 years for male and 79.6 years for females). Population density will go up to 36.9 people per square kilometer.
The demographics of Solomon Islands constitutes of 355,000 women and 366,000 men, which means there are 1,031 men per 1000 women. As far as age distribution goes, 45.8% of population (330,074) is 19 or younger, 50.2% of population (362,086) is between age 20 and 64 and 4.1% of population (29,777) is over 65.