Kitten - up to 12 months old (tho for show purposes a kitten becomes an adult at age 8 or 9 months depending on the association). Young adult - 1-2 yrs old. Adult 2-8 yrs old. Senior 8+ yrs. Now the Adult/Senior can vary a lot on the upper age.
As an alpha global city Mexico City is one of the most important financial centers in the Americas. It is located in the Valley of Mexico (Valle de Mexico), mÃ©xico a large valley in the high plateaus at the center Of, mexico at an altitude 2,240 2240 (7,350 7350). Ft the city consists of sixteen. boroughs
20.843 million A 2014 population survey estimates there are  20.843 million people living in Mexico City, as reported by the Central Intelligence Agency's World Factbook. Mexico City is the capital city of Mexico.