The pie charts illustrate the percentage of population divided into three age groups in Italy and Spain in 1900 and 2000.
Overall, it is clear that 15-49 aged people accounted for the largest share throughout the entire time in both countries. Meanwhile, the percentage of 49 and over years old individuals equaly in both counties and remained unchanged over the decade.
By 1900s in Spain, children and teenagers represented 30% of total Spanish population, while middle-aged and over category displayed the same indication. In contrast, 15-49 aged residents made up 40% of total, which makes it the biggest segment. Over the 100 years, the oldest age group remained without changes. Nontheless, 15 to 49 aged people expanded to half of total population, whereas the youngest age group slowly fell to 20%.
In 1900, 25% was recorded for 0-14 aged Italians, while 15-49 years old individuals accounted for 45% of Italian population. By contrast, in 2000s, 15-49 aged residents experienced a gradual grow to 55%, whereas the youngest Italians decreased to 15% of total population.
