After more than 200 years of rapid growth, the world’s population is set to peak at 11 billion by the end of this century.
People are having fewer children, and living longer.
This is the demographic change megatrend – a profound population shift that will impact individuals, families and communities.
The share of people over 65 will grow from 10% in 2022, to 16% in 2050.
As populations age, there will be fewer workers to support the growing number of people in retirement.
Today, for every elderly person there are four people of working age. By 2050 that ratio is projected to be just two people of working age supporting four elderly persons.
Around 40 countries – including places like Japan, Italy and Poland, are already experiencing declining populations.
China reached a major turning point in 2022 when its population began to contract after six decades of growth.
By 2050, at least 88 more nations will join this list.
Yet in some parts of the world, the demographic trend is heading in the other direction. The population of Sub-Saharan Africa will nearly double to more than 2 billion by the middle of the century, and by 2070 this will be the most populous place on earth, surpassing Asia. Countries such as India, Pakistan and the Philippines will also continue to grow.
By 2050, 25% of the world’s population, including 40% of all people under 18, will live in Africa.
This continent and its dynamic population growth will present new trade and development opportunities, accelerating economic power shifts.
For the rest of the globe, this unprecedented ageing will require considerable adjustment. Migration will become the sole driver of population growth in most high-income countries.
There will be opportunities for innovation in products and services, particularly in the health and housing sectors.
Flexible job opportunities for traditionally marginalised groups, and a more diverse and inclusive workforce, will be essential if countries are to improve their productivity, and address the labour shortage. Retraining and upskilling will also be vital.
Understanding and responding to the distinctive demographic pressures around the world will be essential, if we want to thrive in the 21st century.
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