The population of New Zealand is expected to grow by 41,000 in 2020 and reach 4,903,000 in 2021. Migration (including immigration and emigration) increases population by 12,400 people yearly. On average there are 62,642 births and 34,214 deaths in New Zealand per year. Rate of natural increase is approximately 0.59 percent per year. The population density of New Zealand has changed from 11.8 in 1980 to 18.0 in 2018.
| Current population | 4,872,222 people at present (Tuesday 31st of March 2020) | |
| Median Age | 39.0 years |
| Life expectancy | 82.5 years | |
| Population density | 18.4 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 4,862,000 | 41,000 (0.8%) | 12,400 | 39.0 | 1.95 | 18 | 4,207,000 (86.5%) |
| 2019 | 0 | 0 (0.0%) | 14,881 | 38.8 | 1.96 | 18 | 4,169,000 (86.5%) |
| 2018 | 0 | 0 (0.0%) | 14,881 | 38.6 | 1.96 | 18 | 4,129,000 (86.4%) |
| 2017 | 0 | 0 (0.0%) | 14,881 | 38.4 | 1.97 | 18 | 4,090,000 (86.4%) |
| 2016 | 0 | 0 (0.0%) | 14,881 | 38.3 | 1.98 | 18 | 4,050,832 (86.3%) |
| 2015 | 4,595,700 | 86,000 (1.9%) | 14,881 | 38.0 | 1.99 | 17 | 3,965,354 (86.3%) |
| 2010 | 4,350,700 | 48,100 (1.1%) | 18,179 | 37.2 | 2.17 | 17 | 3,748,781 (86.2%) |
| 2005 | 4,133,900 | 46,400 (1.1%) | 12,483 | 36.3 | 1.97 | 16 | 3,557,304 (86.1%) |
| 2000 | 3,857,700 | 22,600 (0.6%) | 26,926 | 35.5 | 1.98 | 15 | 3,305,162 (85.7%) |
| 1995 | 3,673,400 | 53,400 (1.5%) | 8,517 | 34.5 | 1.99 | 14 | 3,134,622 (85.3%) |
| 1990 | 3,329,800 | 30,600 (0.9%) | 23,603 | 33.8 | 2.18 | 13 | 2,821,739 (84.7%) |
| 1985 | 3,247,100 | 20,000 (0.6%) | -1,884 | 32.9 | 1.93 | 12 | 2,716,946 (83.7%) |
| 1980 | 3,112,900 | 3,900 (0.1%) | -582 | 31.8 | 2.03 | 12 | 2,597,030 (83.4%) |
| 1975 | 3,083,100 | 59,400 (1.9%) | -14,959 | 30.7 | 2.33 | 12 | 2,552,005 (82.8%) |
| 1970 | 2,810,700 | 37,900 (1.4%) | 15,336 | 30.4 | 3.16 | 11 | 2,279,646 (81.1%) |
| 1965 | 2,628,400 | 43,000 (1.6%) | -525 | 30.1 | 3.54 | 10 | 2,073,571 (78.9%) |
| 1960 | 2,371,800 | 47,900 (2.0%) | 10,878 | 30.6 | 4.03 | 9 | 1,802,521 (76.0%) |
In 2019 the population of New Zealand was 4,821,000 and the average age increased from 30.6 in 1960 to 38.8. Urban population has increased from 3,305,162 (85.7%) in 2000 to 4,207,000 (86.5%) in the current year. The population density of New Zealand has changed from 11.8 in 1980 to 18.0 in 2018.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 4,862,000 | 41,000 (0.8%) | 12,400 | 39.0 | 1.95 | 18 | 4,207,000 (86.5%) |
| 2025 | 5,061,000 | 39,000 (0.8%) | 12,400 | 40.0 | 1.90 | 19 | 4,397,000 (86.9%) |
| 2030 | 5,237,000 | 33,000 (0.6%) | 12,400 | 40.9 | 1.87 | 20 | 4,575,000 (87.4%) |
| 2035 | 5,387,000 | 28,000 (0.5%) | 12,400 | 41.7 | 1.84 | 20 | 4,737,000 (87.9%) |
| 2040 | 5,514,000 | 24,000 (0.4%) | 12,400 | 42.5 | 1.82 | 21 | 4,884,000 (88.6%) |
| 2045 | 5,623,000 | 21,000 (0.4%) | 12,400 | 43.0 | 1.81 | 21 | 5,015,000 (89.2%) |
| 2050 | 5,716,000 | 17,000 (0.3%) | 12,400 | 43.5 | 1.80 | 22 | 5,132,000 (89.8%) |
Total New Zealand population should reach 4,862,000 by 2020 and should increase to 5,716,000 people by year 2050. The life expectancy at birth should reach 86.6 (85.6 years for male and 87.7 years for females). Population density will go up to 21.7 people per square kilometer.
The population growth rate is 0.85% (42,000 residents, including 33,311 deaths). The demographics of New Zealand constitutes of 2,472,000 women and 2,391,000 men, which means there are 967 men per 1000 women. As far as age distribution goes, 25.9% of population (1,259,258) is 19 or younger, 57.8% of population (2,808,777) is between age 20 and 64 and 16.3% of population (793,478) is over 65.