Question: What is the population of the phoenix area?
Disambiguated questions and answers: question: What is the population of the phoenix area in 2010?
What is the population of the phoenix area in 2000?
What is the population of the phoenix area in 1990?
answer: 4,192,887
3,251,876
2,238,480
Natural Questions answer: 4,574,351 (from the Wikipedia article "Phoenix metropolitan area")