Band 4+: The share of income earned by the top 1 percent of the population from 1975 to 2015. Summarize and write your answers in 150words.

The image features a line graph displaying the share of income earned by the top 1 percent of the population in six different countries (United States, United Kingdom, Canada, France, Italy, Germany, and Japan) from 1975 to 2015. The plot lines for each country show fluctuations over the 40-year period. The United States starts just above 10% in 1975, peaks at nearly 20% around 2015. The United Kingdom begins around 5%, rising to peaks of over 15% in the early 2000s, stabilizes slightly below 15% by 2015. Canada's line starts near 8%, peaks at just under 15% by 2015. France begins slightly below 10%, increasing to approximately 10% by 2015. Italy starts under 10%, peaking slightly above 10% in the early 2000s then declines back near initial values. Germany appears to begin under 10%, reaching upwards nearer to 10% by 2015. Japan starts near 5%, increases to just above 10% around 2000, then declines to above 5% by 2015. The data points range from below 5% to nearly 20% across different countries and years.