The estimated Global Population increased from 7.26 billion in 2014 to 7.35 billion in 2015 – an increase of 1.2%, or 87 million, in one year. See the population growth 1960-2015 in the diagram below. Some surprising demographic trends of life expectancy and births rates, and a long term Global Population prediction, are included.
The diagram shows global trends with 1960-values set at 100:
The growing life expectancy and falling birth rate are both (separately) encouraging for Homo sapiens’ existence on Earth. However, combined the two trends add up to a population challenge of gigantic proportions, although the growth rate is predicted to decline in the coming decades. A Global Population of 8.5 billion by 2030, 9.7 billion by 2050 and 11.2 billion by 2100, will make the handling of problems with greenhouse gas emissions, biodiversity and natural resources, extremely tough.
National Climate Debts in ClimatePositions increase due to the Global Population-growth. One example: 1.9% of the accumulated Climate Debt of Australia is due to the growing Global Population between 2000 and 2015 (the 1.9% amounts to $3 billion or $0.47 per tons CO2 emitted from fossil fuels since 2000).
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