World Population Pyramid 1966
World in 1966
As of 1966, the World counted 3,404,041,125 inhabitants. A decade earlier, in 1956, the population was 2,795,409,994; it has grown by 21.8% since.
With a median age of 21.7 years, the World had a youth dependency ratio of 66.9 and an old-age dependency ratio of 9.0 per 100 people of working age. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The World Bank does not publish this indicator for regions or continents.
The World Bank does not publish this indicator for regions or continents.
281,808,905 immigrants live in World.
| India | 18,533,845 |
| China | 11,701,619 |
| Mexico | 11,596,529 |
| Ukraine | 9,769,216 |
| Russian Federation | 9,134,094 |
303,611,211 people born in World live in other countries.
| United States of America | 52,375,047 |
| Germany | 16,750,084 |
| Saudi Arabia | 13,683,841 |
| United Kingdom | 11,845,479 |
| France | 9,186,757 |





