The charts compare the proportion of different kinds of discarded waste in one country between 1960 and 2011.
Overall, only the percentage of food, plastic, and wood waste recorded an increasing trend, while other types of waste experienced a decline or remained unchanged. Additionally, paper was the most notable type of waste in 1960, however in 2011, food accounted for the most significant part.
In 1960, the data of paper waste accounted for a quarter of total waste (25%), followed closely by textiles with 17%, much higher than other types (12%). Over the period, the paper proportion fell significantly to just 15%, textiles and other types also followed the same patterns, decreasing to just 11% and only 4% in 2011, respectively. Noticeably, the figure for glass and green waste disposal remained constant at the same level throughout the period, at 5% and 9%, in that order.
Regarding the remaining types of waste, in 1960, the percentage of discarded food stood at 12%, slightly higher than plastic and metal (both at 8%) and triple that of wood (4%). In 2011, food data surged to 21%, becoming the most common type of waste; the same was true for plastic, which increased considerably to 18%; meanwhile, the figure for wood doubled to 8%, and metal increased slightly to 9%.