The population of Cambodia is expected to grow by 241,000 in 2018 and reach 16,483,000 in 2019. Migration (including immigration and emigration) decreases population by 30,000 people yearly. On average there are 363,556 births and 97,307 deaths in Cambodia per year. Rate of natural increase is approximately 1.64 percent per year. The population density of Cambodia has changed from 37.9 in 1980 to 89.3 in 2016.
| Current population | 16,473,910 people at present (Monday 17th of December 2018) | |
| Median Age | 27.7 years |
| Life expectancy | 69.5 years | |
| Population density | 92.0 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2018 | 16,246,000 | 241,000 (1.5%) | -30,000 | 27.7 | 2.51 | 92 | 3,481,000 (21.4%) |
| 2017 | 16,005,000 | 242,630 (1.5%) | -30,000 | 27.5 | 2.54 | 91 | 3,390,000 (21.2%) |
| 2016 | 15,762,370 | 244,735 (1.6%) | -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 2017 the population of Cambodia was 16,005,000 and the average age increased from 21.9 in 1960 to 27.5. Urban population has increased from 2,258,637 (18.6%) in 2000 to 3,481,000 (21.4%) in the current year. The population density of Cambodia has changed from 37.9 in 1980 to 89.3 in 2016.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 16,716,000 | 233,000 (1.4%) | -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%) |
Total Cambodia population should reach 16,716,000 by 2020 and should increase to 22,019,000 people by year 2050. 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 1.51% (242,630 residents, including 95,665 deaths). The demographics of Cambodia constitutes of 8,317,000 women and 7,929,000 men, which means there are 953 men per 1000 women. As far as age distribution goes, 40.3% of population (6,545,513) is 19 or younger, 55.2% of population (8,959,669) is between age 20 and 64 and 4.6% of population (745,691) is over 65.