Conversation so far:
How many countries make up the Africa continent
There are 54 countries located in Africa.
Which African country is the largest
By land area, Algeria is the largest country on the continent. By population, Nigeria is the largest.
Which African city is the largest
Some of Africa's largest cities include Cairo, Khartoum, Accra, Johannesburg, Casablanca, Lagos, Nairobi, and Algiers.

Question: how large is the continent's population
Self-contained rewrite: How large is the African population