The percentage provides key information about differences in income between men and women from 1978 to 2008. The units are measured in the difference in income between genders.
Overall, it is clear from the graph that Japan had the highest income. In addition, in most years from 1978 to 2008, it did not go down. Whereas, in Australia, it was the lowest category of income from 1978 to 2008, but in 2008, it began to rise.
According to what is shown, the income in the U.S., in 1978 and 1988, was average between 35% and 29%, but in 2008, it went down gradually.
In terms of Australia, it had the least difference in income between genders. In 1978, it was between 20% and 10%, but in 1998, it suddenly rose.
While France had low income differences between genders compared to Japan. In 1978, it was between 20% and 10%, and in 2008, income differences between genders decreased significantly.
