The given bar charts depict the proportion of both gender workers in the 60-64 age bracket in four different nations in 1970 and 2000.
Overall, the large fraction of men aged 60 to 64 in four given countries still worked and had a downward trend over the period. It is evident that the ratio of female workers in Japan and Belgium went down, whereas that of USA and Australia rose. It is also apparent that the portion of Belgium was the lowest point among four countries.
In terms of the percentage of men aged 60 to 64 in employment, the ratio of Japanese men was 85%, which made Japan have the most male workers among four countries in 1970. It was followed by that of Belgium, at 79%. However, by 2000 the percentage of Japan decreased slightly to 74%, while that of Belgium underwent a significant decline, by 60%. Furthermore, in USA, the ratio of men in employment contributed to 73% in 1970, before dropping sharply to 55%. Additionally, the proportion of Australian male workers was 76%, then it experienced the similar pattern with that of USA at 47%, by 2000.
Regarding to the ratio of Japanese women in employment fell marginally, from 43% to 40%. Similarly, the percentage of Belgium female workers remained the lowest figure, ranging from 7% to 8%. In 1970, the proportions of USA and Australia were 36% and 16% respectively before witnessing the same upward trend, at 39% and 18%, in the same order.