The bar chart below shows the percentage participation of men in senior development in three companies between 1980 and the year 2010. Percentage of participation of men in senior development positions

The diagram outlines how the ratio of senior male developers increased between 1980 and 2010 in three tech companies, namely IBM, Microsoft and Apple.

The provided bar graph compares the number of male senior developers in three major software companies namely IBM, Microsoft and Apple between 1980 and 2010.