Over 21,000 carers in Wales are missing out on vital financial support.
According to the charity Carers Wales, £66m of the financial support available is going unclaimed.
They say this is due to the lack of advice and education available.
The Department of Work and Pensions says the system's been simplified to increase the take-up of benefits
Today is National Carers Rights Day.
More top news
Stars of Team GB at this years' Olympics were in Wales today, as part of ITV's I Am Team GB campaign.
As Wales gets involved in the country's biggest sports day - Our Olympians have been getting in on the action.
ITV switched off all of its channels for an hour on Saturday as part of a national sports day event.