 From 2000 to 2005 the average annual growth rate of Greater Mexico City was the lowest of the five largest metropolitan areas, whereas the fastest growing metropolitan area was Puebla (2.0%) followed by Monterrey (1.9%), Toluca (1.8%) and Guadalajara (1.8%).Demographic statistics according to the World Population Review.Demographic statistics according to the CIA World Factbook, unless otherwise indicated.