The pie charts illustrate data on the ages populations of Yemen and Italy in 2000 and 2050.
Overall, Yemen had 0-14 years citizens the most in early year but fell down in 2050 and 15-59 years replaces the previous position. Italy had most 15-59 years populations in 2 periods. However, both countries had older people the least size all of the time.
In 2000, Yemen had 0-14 years by half and 15-59 years near the half and left 3.6% for 60 years upper. Latter-year, 15-59 years increased approximately 11%, 0-14 years declined around 13% which made 15-59 years be a first largest group in 2050. While older grew up by 2%.
In Italy, the most huge size in 2000 was 15-59 years populations by over the half. 0-14 years completely near the quarter and 60 years upper had half of quarter. Anywise, in 2050 the groups of 0-14 years and 15-59 years had almost the same number of citizens by 42.3% and 46.2% respectively. The older still have the smallest group by 11.5%.