Which country has the second-largest population in the world?

What is the smallest country in Central America? Which country in the Caribbean is the smallest English-speaking country in the Americas? Which European country has a population of around 34,000 and covers an area of approximately 61 km²? What is the most populous country in the world? Which country has the largest population in Africa? Which country has the largest population in Europe? Which country has the third-largest population in Southeast Asia? What is the most populous country in South Asia, excluding India?