Passage: According to , the total population was  in  compared to 6,077,000 in 1950, and around 1,700,000 in 1900. The proportion of children below the age of 15 in 2010 was 42.5%, 54.9% between the ages of 15 and 65, and 2.7% was 65 years or older. Worldometers estimates the total population at 48,466,928 inhabitants, a 29th global rank.
How many more percentage of children ages between 15 and 65 than 65 years older? How many more total population in 1950 than in 1900? Which year had the highest total population, 1950 or 1900?