China, US, Luxembourg, and Russia.
3
2.63 million
8.542 Billion
7000
Mainly Buddhist.
706.043 times
Just shy of 50 and a half.
The US would fit inside of Russia 1.74 times.
5,445, 607, or 456
Mongolia is bordered on the north by Russia and the south by China. It's 'football or rugby ball' shaped, and measures 1,485 miles from East to West. In the middle, it's 780 miles North to South .
Pluto has about the same land area as Russia, so billions of footballs could fit on the surface of Pluto.