Click the green button to start and enter the correct answers below
This is based on the predictions of the US Census as of 2013. The correct answer is what they predicted, but neither I, nor the US Census can know for certain who will be where in 2050. Perhaps Mars will overtake both China and India. HINT: 17 out of 30 of the answers are "upsets" (they are different than what the answer would be with current population numbers), the other 13 are not.