The pie charts illustrate the proportions of different types of buildings in a European city in 1990 and 2020.
Overall, the city saw a clear shift away from historic and traditional residential buildings towards modern residential and commercial buildings. Modern residential buildings became the largest category by 2020, while public facilities remained one of the smaller groups despite a slight increase.
In 1990, historic buildings made up the largest share of the total, at 35%.Traditional residential buildings occupied a quarter of the total number. Modern residential and commercial buildings were less common in the European city, at 15%. Public facilities were the least common type of buildings, at only 10%.
In 2020 he distribution had changed was changed, the number of modern and commercial buildings increased and became the most common type of buildings, at 30% and 20% respectively. Although historic buildings became less common, they continued to be in a number of the most common types ot buildings, at 20%. Traditional residental buildings decreased and public facilities increased, both categories accounted for 15%.
After 30 years, the European city became actually different. In 2020, some buildings became less common, such as traditional residential buildings and historic buildings. Despite the fact, in 2020, that historic buildings became less common, it was among the common type of buildings. Others were became more common, accounted for a larger share, increased in proportion on the city’s street, like commercial, modern residential buildings, and public facilities. Public facilities never were the most common type of buildings, despite their growing popularity.