People & Demographics
Population growth and increasing longevity by 2047 will strain resources of food and medicines, even as urban centers continue to expand.
- Although overall growth rate will continue to decline, by 2047 the world is projected to have a population of 9.6bn, an 28% increase from 2017.
- The global middle class is projected to climb to 51%, compared to 42% in 2017 and 20% in 1987.
- Almost 22% of the world’s population will be over the age of 60, almost double the proportion from 2017.
- “Population ageing implies greater age-related public spending relative to tax revenues.” – World Economic Forum
- The average global life expectancy in the years 2045-2050 will be 76.95 (74.70 for men and 79.27 for women) – compared to 71.96 average in 2017.
- Proportion of global population living in cities will continue to grow to the range of 64% to 70% (up from 55% in 2017, and 42% in 1987).
- Displacement of people is expected to be exacerbated by climate change. The most widely cited estimates for climate change-induced migration by 2050 is 200 million people globally.