Workers over the age of retirement helped to generate £61bn for the UK economy last year, according to new figures from charity Age UK.
Over 65s contributed via employment, informal caring and volunteering, Age UK said.
The Age UK Chief Economist's report found that £37 billion of the total amount came from employment and £11.4 billion from informal caring.
Childcare contributed £6.6 billion and nearly £6 billion came from volunteering.
More top news
Midfielder Kartie Chapman's husband and three sons, will be nervously watching the semi-final against Japan back in England.
The Duke of Cambridge has called England Women footballers to wish them well in their World Cup semi-final against Japan
Stories continue to emerge of the heroism and compassion of Tunisians who tried to help in the wake of the Sousse attack.