Archive · 17 Jun 2025
Global Population Shifts: Decline in Europe, Conflict, and Climate Change
The world's population has grown rapidly, but some places are shrinking.
Ukraine is losing people quickly because of the war.
Europe is also losing people.
This is due to fewer babies being born and an aging population.
One small island country, Tuvalu, is losing people because of climate change.
Japan is also shrinking because its population is aging and birth rates are low.
Ukraine is the fastest-shrinking country due to the conflict.
Europe experienced a 0.2% population decrease in 2023.
Six of the top ten countries with the biggest decline are in Europe.
Tuvalu faces mass emigration due to climate change.
Japan is the only Asian nation in the top ten, affected by an aging population.
- Who
- Ukraine, European countries, Tuvalu, and Japan.
- What
- Population decline in various countries.
- When
- 2022-2023, with projections for the future.
- Where
- Globally, with a focus on Europe, Ukraine, Tuvalu and Japan.
- Why
- Conflict, declining birth rates, aging populations, climate change, and emigration contribute to population decline.
Drivers of Population Decline
Key factors
Reasons for decline
Drivers of Population Decline
Conflict and geopolitical instability.
Key factors
Low birth rates, aging populations, climate change and emigration.
- Fastest Shrinking Country
- Ukraine
- European Population Decline (2023)
- 0.2%
- Countries in Top 10 (Europe)
- Six
- Country Facing Disappearance
- Tuvalu
- Asian Country in Top 10
- Japan