Papua New Guinea's prime minister James Marape (pictured) had to admit that he didn't know how many people lived in Papua New Guinea after the UN total contradicted government figures.

A United Nations study has found Papua New Guinea could have a population of almost 17 million. The new study suggests the island nation has underestimated its population by almost 8 million people.

Papua New Guinea’s prime minister says he does not know the exact size of his country’s population after a report suggested that the number of people living in the Pacific nation could be ...