The report, by the Boston Consulting Group for the Women's Forum for the Economy and Society, showed that primary school attendance (age six to 11), had reached 91 per cent worldwide.
And the United Nations Gender Parity Index showed that while there were 87 girls for every 100 boys in 2000, that ratio has now improved to 95 girls per 100 boys.
However, secondary school attendance lags behind for both sexes, with girls still less likely to attend, the report said.
And only 43 per cent of women who study science will go on to pursue a career in physics, mathematics, or engineering, versus 71 per cent of men.
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The STEM fields are expected to face large shortages of workers, because of a late retirement age and low fertility rates in developed countries.
But if as many women as men pursued STEM subjects at the university level, up to four million more women could access STEM jobs by 2025, the report said.
Men's participation has remained steady at 81 per cent over the decade.
The number of women-run businesses has also increased -- with 41 per cent of businesses run by women in 2011 versus 35 per cent in 2004.
While the average global participation has increased, some countries have seen a drop in women's share of the labour market, like India (from 36 to 30 per cent), China (77 to 70 percent) and the US (70 to 67 per cent).