The country largest by land mass is Russia, while the country that is the biggest by population, as of 2014, is China. Russia has an area in square miles of more than 6.6 million. The estimated population for China is 1.3 billion.
Only around 2 percent of the people in the world lived in Russia in 2013, despite the country's large amount of land, which is about 17 percent of the inhabited land available on Earth. When going by landmass, the second largest country is Canada.
China has a population density of 361.42 in square miles and covers around 3.7 million square miles in area. India comes in second according to population, with almost 1.2 billion people living there in 2014.