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- UN estimates that the world's population reaches 8.5 billion in 2030, 9.7 billion in 2050 and 10.9 billion in 2100.
- The estimated increase per year is 81 million people globally.
- As per the CEPAM medium scenario, the aggregate population for the world will reach around 9.8 billlion in 2070-2080, and afterwards decline to about 9.5 billion by 2100.
- The UN estimates that by 2050, sub-Saharan Africa's population will double (99% increase), the increase in Oceania excluding Australia/New Zealand will be 56%, Northern Africa and Western Africa 46%, Australia/New Zealand 28%, Central and Southern Asia 25%, Latin America and the Caribbean 18%, Eastern and South-Eastern Asia 3%, and Europe and Northern America 2%.
- Europe's and Russia's share of the global population continues to decline. In the CEPAM medium scenario, the population of the EU would by 2060 almost remain the same size: it would only increase slightly from 507.5 million to 507.7 million people. | Related Megatrends: Migration
- Africa is projected to become the most populous world region around year 2062. By then around 21% of the world population will live there. | Related Megatrends: Inequality; Migration; Security
- India is projected to become more populous than China around year 2027, and by 2050 Nigeria (401 million) is expected to overtake the USA (379 million) as the world's third largest populous country. | Related Megatrends: Migration; Security
- Nine countries in particular (India, Nigeria, Pakistan, Democratic Republic of Congo, Ethiopia, the United Republic of Tanzania, Indonesia, Egypt and the U.S.A.) are expected to account for more than half of global population growth between now and 2050.
| Related Megatrends: Migration; Security
- Bangalore, India's Silicon Valley, might become “unliveable” in a few years, given pollution due to rapid population increase in absence of sustainable urbanization policies.
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