The population of Samoa is expected to grow by 1,000 in 2019 and reach 200,000 in 2020. Migration (including immigration and emigration) decreases population by 2,500 people yearly. On average there are 4,740 births and 994 deaths in Samoa per year. Rate of natural increase is approximately 1.88 percent per year. The population density of Samoa has changed from 55.0 in 1980 to 69.4 in 2017.
| Current population | 199,721 people at present (Friday 20th of September 2019) | |
| Median Age | 27.1 years |
| Life expectancy | 75.7 years | |
| Population density | 70.3 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2019 | 199,000 | 1,000 (0.5%) | -2,500 | 27.1 | 3.83 | 70 | 37,000 (18.6%) |
| 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 2018 the population of Samoa was 198,000 and the average age increased from 20.3 in 1960 to 27.1. Urban population has increased from 38,374 (22.0%) in 2000 to 37,000 (18.6%) in the current year. The population density of Samoa has changed from 55.0 in 1980 to 69.4 in 2017.
| 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 0.51% (2,000 residents, including 978 deaths). The demographics of Samoa constitutes of 96,000 women and 103,000 men, which means there are 1,073 men per 1000 women. As far as age distribution goes, 47.2% of population (94,008) is 19 or younger, 47.5% of population (94,465) is between age 20 and 64 and 5.9% of population (11,781) is over 65.