The population of Cambodia is expected to grow by 228,000 in 2021 and reach 17,167,000 in 2022. Migration (including immigration and emigration) decreases population by 30,000 people yearly. The population density of Cambodia has changed from 37.9 in 1980 to 93.4 in 2019.
| Current population | 17,121,178 people at present (Sunday 17th of October 2021) | |
| Median Age | 28.4 years |
| Population density | 96.0 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2021 | 16,944,000 | 228,000 (1.4%) | -30,000 | 28.4 | 96 | 3,772,000 (22.3%) | |
| 2020 | 16,716,000 | 233,000 (1.4%) | -30,000 | 28.1 | 2.45 | 95 | 3,673,000 (22.0%) |
| 2019 | 0 | 0 (0.0%) | -30,000 | 27.9 | 2.48 | 93 | 3,576,000 (21.7%) |
| 2018 | 0 | 0 (0.0%) | -30,000 | 27.7 | 2.51 | 92 | 3,481,000 (21.4%) |
| 2017 | 0 | 0 (0.0%) | -30,000 | 27.5 | 2.54 | 91 | 3,390,000 (21.2%) |
| 2016 | 0 | 0 (0.0%) | -30,000 | 27.3 | 2.56 | 89 | 3,301,428 (20.9%) |
| 2015 | 15,517,635 | 246,845 (1.6%) | -30,000 | 27.0 | 2.59 | 88 | 3,215,720 (20.7%) |
| 2010 | 14,308,740 | 218,532 (1.5%) | -30,000 | 26.0 | 2.88 | 81 | 2,834,561 (19.8%) |
| 2005 | 13,270,201 | 206,824 (1.6%) | -59,197 | 24.6 | 3.23 | 75 | 2,544,428 (19.2%) |
| 2000 | 12,152,354 | 268,718 (2.2%) | -7,031 | 23.3 | 3.81 | 69 | 2,258,637 (18.6%) |
| 1995 | 10,653,558 | 338,182 (3.2%) | 69,699 | 22.4 | 4.69 | 60 | 1,844,237 (17.3%) |
| 1990 | 8,973,342 | 284,190 (3.2%) | 81,883 | 22.1 | 5.60 | 51 | 1,394,996 (15.5%) |
| 1985 | 7,712,978 | 266,959 (3.5%) | -15,604 | 22.7 | 6.31 | 44 | 1,074,495 (13.9%) |
| 1980 | 6,692,107 | -76,617 (-1.1%) | -17,771 | 23.4 | 5.87 | 38 | 662,385 (9.9%) |
| 1975 | 7,522,593 | -8,831 (-0.1%) | -17,000 | 22.1 | 5.68 | 43 | 336,786 (4.5%) |
| 1970 | 6,994,848 | 115,664 (1.7%) | -25,000 | 21.9 | 6.47 | 40 | 1,117,077 (16.0%) |
| 1965 | 6,467,197 | 135,614 (2.1%) | -50,000 | 21.8 | 6.87 | 37 | 700,397 (10.8%) |
| 1960 | 5,722,370 | 150,645 (2.6%) | 21.9 | 6.97 | 32 | 588,546 (10.3%) |
In 2020 the population of Cambodia was 16,716,000 and the average age increased from 21.9 in 1960 to 28.1. Urban population has increased from 2,258,637 (18.6%) in 2000 to 3,772,000 (22.3%) in the current year. The population density of Cambodia has changed from 37.9 in 1980 to 93.4 in 2019.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -30,000 | 28.1 | 2.45 | 95 | 3,673,000 (22.0%) |
| 2025 | 17,809,000 | 210,000 (1.2%) | -30,000 | 29.4 | 2.32 | 101 | 4,200,000 (23.6%) |
| 2030 | 18,798,000 | 192,000 (1.0%) | -30,000 | 30.7 | 2.22 | 107 | 4,812,000 (25.6%) |
| 2035 | 19,724,000 | 181,000 (0.9%) | -30,000 | 32.0 | 2.13 | 112 | 5,522,000 (28.0%) |
| 2040 | 20,592,000 | 167,000 (0.8%) | -30,000 | 33.3 | 2.05 | 117 | 6,302,000 (30.6%) |
| 2045 | 21,370,000 | 146,000 (0.7%) | -30,000 | 34.6 | 1.99 | 121 | 7,124,000 (33.3%) |
| 2050 | 22,019,000 | 119,000 (0.5%) | -30,000 | 35.9 | 1.93 | 125 | 7,968,000 (36.2%) |
The life expectancy at birth should reach 77.0 (74.6 years for male and 79.5 years for females). Population density will go up to 124.7 people per square kilometer.
The population growth rate is 1.36% (233,000 residents, including 98,071 deaths). The demographics of Cambodia constitutes of 8,670,000 women and 8,274,000 men, which means there are 954 men per 1000 women. As far as age distribution goes, 39.4% of population (6,674,242) is 19 or younger, 55.6% of population (9,424,253) is between age 20 and 64 and 5.0% of population (845,506) is over 65.