World Population By Age Group 2024. Median age by country 2024. According to the world population review, the country with the oldest age structure in the world is china with more than 166 million residents over the age of 65.
Smoking prevalence, females (% of adults) smoking prevalence, males (% of adults) suicide mortality rate (per 100,000 population) tuberculosis death rate (per 100,000. Mexicans are the largest population of hispanic origin living in the united states, accounting for 60% of the u.s.