The population of Belize is expected to grow by 8,000 in 2026 and reach 451,000 in 2027. Migration (including immigration and emigration) increases population by 1,109 people yearly. The population density of Belize has changed from 6.3 in 1980 to 18.8 in 2024.
| Current population | 445,458 people at present (Tuesday 17th of March 2026) | |
| Median Age | 29.2 years |
| Population density | 19.5 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2026 | 444,000 | 8,000 (1.8%) | 1,109 | 29.2 | 20 | 195,000 (43.9%) | |
| 2025 | 436,000 | 7,000 (1.6%) | 1,109 | 29.0 | 2.25 | 19 | 191,000 (43.8%) |
| 2024 | 0 | 0 (0.0%) | 1,232 | 28.7 | 19 | 187,000 (43.7%) | |
| 2023 | 0 | 0 (0.0%) | 1,232 | 28.5 | 19 | 184,000 (43.6%) | |
| 2022 | 0 | 0 (0.0%) | 1,232 | 28.2 | 18 | 180,000 (43.6%) | |
| 2021 | 0 | 0 (0.0%) | 1,232 | 28.0 | 18 | 177,000 (43.6%) | |
| 2020 | 398,000 | 8,000 (2.0%) | 1,232 | 27.7 | 2.38 | 17 | 173,000 (43.6%) |
| 2019 | 0 | 0 (0.0%) | 1,366 | 27.6 | 2.41 | 17 | 170,000 (43.6%) |
| 2018 | 0 | 0 (0.0%) | 1,366 | 27.3 | 2.45 | 17 | 167,000 (43.7%) |
| 2017 | 0 | 0 (0.0%) | 1,366 | 27.1 | 2.48 | 16 | 164,000 (43.7%) |
| 2016 | 0 | 0 (0.0%) | 1,366 | 26.9 | 2.51 | 16 | 160,891 (43.8%) |
| 2015 | 359,288 | 7,594 (2.1%) | 1,366 | 26.7 | 2.54 | 16 | 157,990 (44.0%) |
| 2010 | 321,608 | 7,679 (2.4%) | 1,519 | 25.6 | 2.72 | 14 | 144,605 (45.0%) |
| 2005 | 283,277 | 7,188 (2.5%) | 1,744 | 23.7 | 3.07 | 12 | 131,188 (46.3%) |
| 2000 | 247,315 | 8,289 (3.4%) | 1,159 | 23.3 | 3.60 | 11 | 117,878 (47.7%) |
| 1995 | 206,963 | 5,289 (2.6%) | 2,382 | 23.3 | 4.11 | 9 | 98,274 (47.5%) |
| 1990 | 187,552 | 4,083 (2.2%) | -1,802 | 22.5 | 4.51 | 8 | 89,022 (47.5%) |
| 1985 | 164,921 | 4,574 (2.8%) | -1,081 | 22.1 | 5.02 | 7 | 79,853 (48.4%) |
| 1980 | 144,155 | 2,850 (2.0%) | -1,066 | 22.1 | 5.85 | 6 | 71,175 (49.4%) |
| 1975 | 133,260 | 1,953 (1.5%) | -2,708 | 22.0 | 6.28 | 6 | 66,858 (50.2%) |
| 1970 | 122,182 | 2,921 (2.4%) | -2,133 | 22.5 | 6.30 | 5 | 62,268 (51.0%) |
| 1965 | 106,119 | 3,050 (2.9%) | -591 | 22.9 | 6.40 | 5 | 55,692 (52.5%) |
| 1960 | 92,064 | 2,639 (2.8%) | -484 | 23.4 | 6.50 | 4 | 49,740 (54.0%) |
In 2025 the population of Belize was 436,000 and the average age increased from 23.4 in 1960 to 29.0. Urban population has increased from 117,878 (47.7%) in 2000 to 195,000 (43.9%) in the current year. The population density of Belize has changed from 6.3 in 1980 to 18.8 in 2024.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | 1,232 | 27.7 | 2.38 | 17 | 173,000 (43.6%) |
| 2025 | 0 | 0 (0.0%) | 1,109 | 29.0 | 2.25 | 19 | 191,000 (43.8%) |
| 2030 | 473,000 | 7,000 (1.5%) | 1,109 | 30.3 | 2.14 | 21 | 210,000 (44.5%) |
| 2035 | 507,000 | 7,000 (1.4%) | 1,109 | 31.7 | 2.05 | 22 | 232,000 (45.9%) |
| 2040 | 538,000 | 6,000 (1.1%) | 1,109 | 32.9 | 1.97 | 24 | 256,000 (47.6%) |
| 2045 | 566,000 | 5,000 (0.9%) | 1,109 | 34.3 | 1.91 | 25 | 279,000 (49.3%) |
| 2050 | 592,000 | 5,000 (0.8%) | 1,109 | 35.6 | 1.86 | 26 | 302,000 (51.0%) |
The life expectancy at birth should reach 75.8 (72.8 years for male and 78.9 years for females). Population density will go up to 26.0 people per square kilometer.
The demographics of Belize constitutes of 224,000 women and 220,000 men, which means there are 982 men per 1000 women. As far as age distribution goes, 37.1% of population (164,902) is 19 or younger, 57.9% of population (257,076) is between age 20 and 64 and 4.9% of population (21,756) is over 65.