The population of Solomon Islands is expected to grow by 12,000 in 2019 and reach 647,000 in 2020. Migration (including immigration and emigration) decreases population by 2,400 people yearly. On average there are 17,381 births and 2,921 deaths in Solomon Islands per year. Rate of natural increase is approximately 2.28 percent per year. The population density of Solomon Islands has changed from 8.2 in 1980 to 21.8 in 2017.
| Current population | 638,616 people at present (Saturday 20th of April 2019) | |
| Median Age | 24.9 years |
| Life expectancy | 71.6 years | |
| Population density | 22.7 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2019 | 635,000 | 12,000 (1.9%) | -2,400 | 24.9 | 3.69 | 23 | 153,000 (24.1%) |
| 2018 | 623,000 | 12,000 (1.9%) | -2,400 | 24.6 | 3.75 | 22 | 148,000 (23.7%) |
| 2017 | 611,000 | 11,581 (1.9%) | -2,400 | 24.5 | 3.80 | 22 | 142,000 (23.2%) |
| 2016 | 599,419 | 11,937 (2.0%) | -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 2018 the population of Solomon Islands was 623,000 and the average age increased from 22.9 in 1960 to 24.6. Urban population has increased from 65,246 (15.8%) in 2000 to 153,000 (24.1%) in the current year. The population density of Solomon Islands has changed from 8.2 in 1980 to 21.8 in 2017.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 647,000 | 12,000 (1.9%) | -2,400 | 24.9 | 3.64 | 23 | 159,000 (24.5%) |
| 2025 | 709,000 | 13,000 (1.8%) | -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%) |
Total Solomon Islands population should reach 647,000 by 2020 and should increase to 1,033,000 people by year 2050. 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 population growth rate is 1.93% (12,000 residents, including 2,888 deaths). The demographics of Solomon Islands constitutes of 312,000 women and 323,000 men, which means there are 1,035 men per 1000 women. As far as age distribution goes, 48.7% of population (308,991) is 19 or younger, 47.8% of population (303,467) is between age 20 and 64 and 3.6% of population (22,733) is over 65.
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