World Development Indicators
This resource contains development data covering more than 575 indicators, 225 countries, and 18 regional and income groups. The data is compiled by the World Bank from officially-recognized international sources. Labor statistics are broken down by gender. "Proportion of seats held by women in national parliaments" can be found under the Public Sector Indicators.
2005-current available online.
1997-current (incomplete) available on CD-ROM