The World Population Pyramid displays age, sex and population data for 100 years. We have chosen the years between 1950-2050 for our Pyramid to show a balance of historical and future projections. The most obvious changes are due to increased death rates and a decline or increase in number of children born, but experienced users can see many other things as well. This Pyramid is a useful tool for the visual display of the changing population dynamics for virtually every country in the world. Use the list on the right to select other countries to review. United Nations data is used.