| #Trendlines
Demographics
Welcome to Trendlines, where we explore issues shaping the world and their impacts on Canada. Our demographics section explores shifting population trends from growth rates and age distribution to migration and urbanization. This section breaks down key demographic data from credible sources to show how countries are responding to the most pressing issues facing people and places.
Key Indicators
Population (2023)
Population growth (2023)
Life expectancy at birth (2023)
How is the United Nations funded?
On December 31, 2025, the UN General Assembly approved a regular budget of $3.45 billion for 2026. All members of the UN are required to contribute, but the amount varies. Learn who contributes the most and what happens when members fail to meet their financial obligations.
How is global population growth reshaping the world—and Canada?
See how global population surged from 3 billion in 1960 to over 8.14 billion by 2024 and how Canada’s demographic future hinges on immigration from fast-growing regions.
Which country has the highest life expectancy?
See which countries lead the world in life expectancy in 2023, with insights on global averages, regional trends, and differences between men and women.
What is the largest city in the world by population?
Tokyo tops the global rankings of the world’s largest cities with an urban agglomeration of about 37 million people (2025). Discover the world’s most populous megacities by metro size.