Spain: the UN expects the population to shrink by 31% by 2100
47.9M in 2023; 33.1M in 2100 in the UN's medium variant. Between 8.45M and 94.6M with 95% probability. A calculation under assumptions about fertility and migration, not a certainty.
Source: UN World Population Prospects 1998–2024; national statisticsOpen on the chart →