| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
As of 2021, the population of Holy See is projected at 812 , up by 0.37% compared with 809 in 2020. Holy See is ranked 235th in terms of population and th 171st terms of population growth rate.
800 people are living in urban areas, which is 100% of Holy See population. Holy See is ranked 9th in terms of urbanization.
| Year | Population | Growth (%) |
|---|---|---|
| 1950 | 906 | - |
| 1955 | 900 | 0.11 |
| 1960 | 904 | -0.11 |
| 1965 | 853 | -2.74 |
| 1970 | 649 | -3.13 |
| 1975 | 724 | 2.26 |
| 1980 | 725 | 0.42 |
| 1985 | 740 | 0.95 |
| 1990 | 762 | 0.4 |
| 1995 | 778 | 0.13 |
| 2000 | 790 | 0.25 |
| 2005 | 798 | 0.38 |
| 2010 | 783 | -0.51 |
| 2015 | 790 | 0.64 |
| 2016 | 791 | 0.13 |
| 2017 | 798 | 0.88 |
| 2018 | 810 | 1.50 |
| 2019 | 815 | 0.62 |
| 2020 | 809 | -0.74 |
| 2021 | 812 | 0.37 |
| Year | Population | Urbanization | ||
|---|---|---|---|---|
| Urban | Rural | growth rate (%) | Urban (%) | |
| 1950 | 908 | 0 | - | 100.000 |
| 1955 | 908 | 0 | 1.57 | 100.000 |
| 1960 | 906 | 0 | -0.22 | 100.000 |
| 1965 | 854 | 0 | -2.84 | 100.000 |
| 1970 | 644 | 0 | -3.74 | 100.000 |
| 1975 | 728 | 0 | 2.82 | 100.000 |
| 1980 | 724 | 0 | -0.82 | 100.000 |
| 1985 | 746 | 0 | 0.81 | 100.000 |
| 1990 | 768 | 0 | 0.39 | 100.000 |
| 1995 | 780 | 0 | 0.26 | 100.000 |
| 2000 | 785 | 0 | 0.51 | 100.000 |
| 2005 | 798 | 0 | 0.13 | 100.000 |
| 2010 | 794 | 0 | -0.13 | 100.000 |
| 2015 | 803 | 0 | 0.37 | 100.000 |
| 2020 | 801 | 0 | 0.25 | 100.000 |
| 2021 | 800 | 0 | -0.12 | 100.000 |