The Fawcett Society (external link) has a range of resources including reports, campaign publications, manifestos, consultation responses, briefings and factsheets in respect of work and money, race and gender, justice and rights, and women and politics.
The Office for National Statistics (external link) provides a Focus on Gender which offers an insight into the lives of men and women in contemporary UK society. It includes information on their characteristics, experiences and lifestyle, placing particular emphasis on the differences between men and women.
GIRES (external link) provides access to information, research and policy advice in respect of gender identity issues.
Press for Change (external link) is the largest representative organisation for trans people in the UK.
One of the best resources for learning about people who are changing or have changed their gender is in Scottish Trans (external link).