The bar chart illustrates the proportion of males and females at the age of 60 to 64 who worked in 
Belgium
, the USA, Japan, and Australia between 1970 and 2000.
Use synonyms
It is clear that
 the percentages of working men were significantly higher in these nations. Linking Words
Overall
, the number of male workers decreased significantly, Linking Words
whereas
 Linking Words
among
 females, it was not so. Notably, by far the most drastic drop was seen in Add the comma(s)
, among
Belgium
.
Focusing first on Use synonyms
Belgium
 and Australia, in 1970, approximately 80% of men in each of these areas aged 60 to 64  were employed, Use synonyms
whereas
 Linking Words
for
 women, the corresponding figures were 8 and 16 per cent, respectively, which remained relatively constant by the end of the period. After 30 years, the proportion of working males in Add the comma(s)
, for
Belgium
 dropped by 60%, Use synonyms
while
 in Australia, the final figure was 50%. 
As for Japan and America, in 1970, the levels of employment among men there were nearly 85% and 75%, which was almost twice as much as the corresponding figures Linking Words
anomg
 women.  By 2000, the proportions of workers in the first group decreased by 10 and 30 per cent, as opposed to almost unchanged percentages for females.Correct your spelling
among