The population of Nigeria is over 400 million (Wikipedia)

Created by KnaveOfAllTrades on 2014-09-25; known on 2014-09-25; judged wrong by KnaveOfAllTrades on 2014-09-25.

• KnaveOfAllTrades estimated 63% on 2014-09-25
• KnaveOfAllTrades   judged this prediction wrong on 2014-09-25.