Band 5+: The bar chart below represents the plastic waste generation in different regions (in million tons) from 1995 to 2020. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The graph illustrates the number of single-parent families in the United States, Canada, the United Kingdom, and Japan between 1980 and 2021.

Overall, the number of single-parent families was gradually increasing in four different countries. Notably, the United States has the most steady number of maintaining the highest from 1980 onwards. Its number of single-parent families changed from around 14 by 1980 to approximately 33 by 2021. In contrast, Japan emerged significantly compared to other countries, illustrating a clear boost from less than 5 families to more than 15 families in 2021.

In 2010, the number of families in the United Kingdom surged to nearly 25, which exceeded the number of families of around 20 in Canada. Both the United Kingdom and Canada have only a few differences in the number of single-parent families, steadily remained no more than 10 families in the past forty years.

Throughout the four decades, the United States consistently maintained its status as the highest number of single-parent families, whereas Japan remained the least among the four countries.