Land Mass

Geo question came up, which is larger by size: Venezuela or Ukraine? Venezuela won with 916,000km2 (population 33M), Ukraine 603,000km2 (~45M population). Thinking about the relative size of Africa and the infographic that came out on social networks some time ago, became curious about the land mass of the different continents and countries. A quick list below with rounded rough numbers

Asia 45 million km2
Africa 30 million km2
North America 25 million km2
South America 18 million km2
Europe 10 million km2
USA 10 million km2
Australia 8 million km2
Russia 17 million km2
Canada 10 million km2
China 10 million km2