In 1919, Nancy Astor took her seat in the House of Commons as Britain’s first ever female MP. In the 1945 election, the number of women in the house nearly trebled to twenty-four, and remained around this level for the next four decades. In Tony Blair’s landslide victory in 1997, 120 female MPs were returned, and women have since comprised around 20 per cent of the Commons. The 2015 election saw 191 elected: the most ever. But to what extent has the increasing presence of women in Parliament made more than a symbolic difference? For example, have female MPs represented a hitherto marginalized ‘women’s interest’, placed ‘women’s issues’ on the agenda, or added a feminine perspective to existing discussion? Using 677 million words of digitize...