| #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)
8.06 billion
Source: World Bank
Population growth (2023)
0.9%
Source: World Bank
Life expectancy at birth (2023)
73.32 years
Source: World Bank
What is the largest city in the world by population?
Tokyo tops the global rankings with an urban agglomeration of about 37 million people (2025). Discover the world’s most populous megacities by metro size.