%VIRTUAL-SkimlinksPromo%Women are working longer but are dogged by low pay and poor career prospects, according to a new report.
A study by Unison found increasing numbers of women working over the age of 60, with one in three over-65s still in full-time employment.
A survey of 5,500 women revealed that one in three had a caring responsibility, with few options for flexible working.
Many women are now having to remain in full-time employment beyond the age of 64 when they should be winding down and looking forward to retirement, said Unison.
Assistant general secretary Karen Jennings said: "The world of work for women over the age of 50 is changing dramatically.
"Many older women suddenly find they have to work years longer than they expected. Rapid rises in the state pension age, the Government's austerity agenda and the disproportionate impact it has on women have combined to force the change."
Unison said women should have better promotion prospects and improved pay and training if they are expected to work longer.
The World's top ten women bosses
Women working longer on low pay
If you are the CEO of the second largest food and beverage business in the world, you are going to rank pretty highly on any list of big hitters. Nooyi has been in charge since 2001, and leads the Fortune 500 list for the fifth consecutive year.
CEO of the foods company since 2006, Rosenfeld has overseen a 15.9% rise in the company's share value through 2010.
Woertz has been CEO of the world's largest processor of corn since 2006 and topped the Fortune 500 list of most powerful women in 2009.
Braly has been president and CEO of the US's largest health insurance comp-any since 2007, and has been in the thick of political battles around increases in healthcare costs.
The Canadian-American daughter of parents from Shanghai and Hong Kong, Jung's power is partly derived from her position as a co-lead director of Apple.
Once labelled the most influential woman in the world, and the richest African American of the 20th century, Oprah is a media phenomenon.
Kullman is the first woman to head Dupont in its 206 year history, and has reversed decades of poor performance.
The first African-American woman to head a Fortune 500 firm, Burns has been instrumental in making Xerox the number one business process and document management firm.
Blunt-talking Bartz, once quoted as threatening to "drop-kick to f*cking Mars" employees who leaked to the press, was booted out as CEO herself only last month. She then resigned from Yahoo's board.