The population of Samoa is expected to grow by 2,000 in 2018 and reach 199,000 in 2019. Migration (including immigration and emigration) decreases population by 2,500 people yearly. On average there are 4,780 births and 988 deaths in Samoa per year. Rate of natural increase is approximately 1.92 percent per year. The population density of Samoa has changed from 55.0 in 1980 to 68.9 in 2016.
| Current population | 198,956 people at present (Saturday 15th of December 2018) | |
| Median Age | 27.1 years |
| Life expectancy | 75.5 years | |
| Population density | 69.9 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2018 | 198,000 | 2,000 (1.0%) | -2,500 | 27.1 | 3.88 | 70 | 37,000 (18.7%) |
| 2017 | 196,000 | 875 (0.5%) | -2,500 | 27.0 | 3.93 | 69 | 37,000 (18.8%) |
| 2016 | 195,125 | 1,366 (0.7%) | -2,500 | 26.8 | 3.98 | 69 | 36,986 (19.0%) |
| 2015 | 193,759 | 1,469 (0.8%) | -2,500 | 26.6 | 4.03 | 68 | 37,004 (19.1%) |
| 2010 | 186,205 | 1,379 (0.7%) | -2,538 | 25.9 | 4.34 | 66 | 37,386 (20.1%) |
| 2005 | 179,929 | 1,148 (0.6%) | -3,074 | 25.3 | 4.46 | 64 | 38,177 (21.2%) |
| 2000 | 174,610 | 855 (0.5%) | -3,145 | 24.4 | 4.50 | 62 | 38,374 (22.0%) |
| 1995 | 170,157 | 1,369 (0.8%) | -3,460 | 23.8 | 4.75 | 60 | 36,628 (21.5%) |
| 1990 | 162,866 | 868 (0.5%) | -2,745 | 23.4 | 5.12 | 58 | 34,528 (21.2%) |
| 1985 | 160,031 | 748 (0.5%) | -3,731 | 22.4 | 5.62 | 57 | 33,927 (21.2%) |
| 1980 | 155,557 | 797 (0.5%) | -3,486 | 21.5 | 6.20 | 55 | 32,936 (21.2%) |
| 1975 | 151,387 | 1,166 (0.8%) | -3,513 | 20.6 | 6.76 | 53 | 31,779 (21.0%) |
| 1970 | 143,176 | 2,658 (1.9%) | -2,662 | 20.2 | 7.19 | 51 | 29,141 (20.4%) |
| 1965 | 127,068 | 3,714 (2.9%) | -1,009 | 20.0 | 7.52 | 45 | 24,525 (19.3%) |
| 1960 | 108,646 | 3,473 (3.1%) | -291 | 20.3 | 7.65 | 38 | 20,562 (18.9%) |
In 2017 the population of Samoa was 196,000 and the average age increased from 20.3 in 1960 to 27.0. Urban population has increased from 38,374 (22.0%) in 2000 to 37,000 (18.7%) in the current year. The population density of Samoa has changed from 55.0 in 1980 to 68.9 in 2016.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 200,000 | 1,000 (0.5%) | -2,500 | 27.5 | 3.78 | 71 | 37,000 (18.6%) |
| 2025 | 206,000 | 1,000 (0.5%) | -2,500 | 28.3 | 3.56 | 73 | 38,000 (18.5%) |
| 2030 | 212,000 | 1,000 (0.5%) | -2,000 | 29.2 | 3.37 | 75 | 40,000 (18.8%) |
| 2035 | 221,000 | 2,000 (0.9%) | -2,000 | 30.1 | 3.21 | 78 | 43,000 (19.6%) |
| 2040 | 230,000 | 2,000 (0.9%) | -2,000 | 30.7 | 3.06 | 81 | 48,000 (20.7%) |
| 2045 | 238,000 | 2,000 (0.8%) | -2,000 | 31.7 | 2.93 | 84 | 52,000 (22.0%) |
| 2050 | 243,000 | 1,000 (0.4%) | -2,000 | 32.5 | 2.81 | 86 | 57,000 (23.4%) |
Total Samoa population should reach 200,000 by 2020 and should increase to 243,000 people by year 2050. The life expectancy at birth should reach 82.0 (79.8 years for male and 84.2 years for females). Population density will go up to 86.0 people per square kilometer.
The population growth rate is 1.02% (875 residents, including 973 deaths). The demographics of Samoa constitutes of 96,000 women and 102,000 men, which means there are 1,063 men per 1000 women. As far as age distribution goes, 46.9% of population (92,921) is 19 or younger, 47.3% of population (93,713) is between age 20 and 64 and 5.8% of population (11,405) is over 65.