Egypt is the largest Arab country by population.
Egypt
India
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ChinaIndiaUnited StatesIndonesiaBrazilPakistanNigeriaBangladeshRussiaJapan
Indonesia is the most populous Islamic nation, and is a Southeast Asian country. Malaysia is another large Islamic Southeast Asian country.
China is the most populous country in the world.
The fifith most populous country is Brazil, with 186,112,800 people
The People's Republic of China with a population of 1,339, 724, 852.
The world's most populous country is China, with over 1.4 billion people.
Italy is the most populous country in Mediterranean Europe. It is the fifth most populated country in all of Europe.
Brazil, which is still the most populous.
the worlds most populous nation is china ;)
The most populous Spanish-speaking country in the world is Mexico.