China
population 2015: 1.4 billion
population 2050: 1.3 billion
change: -7.14%
India
population 2015: 1.3 billion
population 2050: 1.7 billion
change: +30.77%
Germany
population 2015: 80.7 million
population 2050: 71.5 million
change: -11.4%
Russia
population 2015: 142.4 million
population 2050: 129.9 million
change: -8.78%
Greece
population 2015: 10.8 million
population 2050: 10 million
change: -7.41%
Egypt
population 2015: 90.1 million
population 2050: 137.9 million
change: +52.16%
Cuba
population 2015: 11 million
population 2050: 9.2 million
change: -16.36%
Saudi Arabia
population 2015: 28.2 million
population 2050: 40.3 million
change: +42.91%
Syria
population 2015: 17.2 million
population 2050: 31.2 million
change: +44.87%