The average size of a 65-year-old woman’s pension pot is five times smaller than a man’s.

At the current pace of change it could take at least 100 years to close this gap, a rate described as “just not good enough”, by Anna Lane, founder and chief executive of The Wisdom Council.

There is also a £350 billion commercial opportunity if the gap was closed and women invested in the same way as men.

Speaking at the launch of Yes She Can, a collaborative project between the Wisdom Council and six other financial services firms, she said that the existing research explained the problem but did not offer a so...