TRIVIA TRAIL: POP(ULATION) QUIZ

Question: Which of the world’s cities was the first to have a population of one million?

Answer. Rome, which achieved this distinction in 55 B.C. Next to do so was London – but not until 1800 A.D. Today Rome has over four million and London over nine million.

https://kids.britannica.com/kids/article/census/390664

Tags: census takers, census taking, censuses, information gathering, people counting, population counts, population figures, population of ancient Rome, population of London, population statistics