The pie charts illustrate many types of waste diposal namely food, paper, green waste, metal, glass, plastic, wood, food, textiles and other in one country from 1960 to 2011.
Overall, the figure for waste disposal fluctuated throughout the period. While textiles, plastic, wood, and other experienced an upward trend, the figure for paper waste was in the opposite. Notably, glass and green waste still stay unchanged after 51 years.
In 1960, paper was the dominant waste, representing a quarter of the pie chart total at 25%. Afterward, this figure reduced significantly to 15% and no longer hold the first position. Textiles followed by with 17% in 1960 then decrease slightly to 11%. Food and other waste undergone the same shares, each contributed 12%. However, while other waste dropped further to 4%, the figure for food waste showed a considerable increase by 9%, becoming the highest waste disposal in 2011.
Meanwhile, plastic trash only allocated 8% in 1960, it rose dramatically to 18% when it turned to 2011. Metal exhibited 8% and inched upward to 9% from 1960 to 2011. In contrast, both glass and green waste remained stable at 5%, and 9% respectively.