Some 5.8 million pensioners will host friends and families at home on Christmas Day this year, according to Prudential.
The average pensioner spend is estimated at nearly £400 per pensioner with £140 going on entertaining and the remaining £250 being spent on gifts.
Two in five pensioners will push the boat out even further, spending more than £300 on Christmas presents for their friends and families.
Some 41 per cent of pensioners said Christmas was when they spend the most time with their families. The majority of pensioners will be welcoming family and friends - with 43 per cent hosting their children, 29 per cent entertaining their grandchildren and 10 per cent seeing their extended families on Christmas Day.
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A further 10 per cent will welcome friends on the day. Six in 10 of their guests will be visiting just for the day but five per cent of those surveyed are expecting guests to stay for at least a week, including two per cent who will be playing host for at least a fortnight.
While almost six in ten enjoy hosting Christmas celebrations for their loved ones, they exercise sufficient restraint to ensure that their festive spending is kept in check.
Some 45 per cent said they budget in advance, while 19 per cent have cut down their spending in recent years.
However, 34 per cent of those surveyed admit they find Christmas spending a financial burden - 30 per cent have concerns that the costs are increasing every year, and four per cent are already dreading the bills they will receive in January.
Vince Smith-Hughes, retirement income expert at Prudential, said: "Christmas is traditionally a time for friends and families and it's great to see that a majority of the over-65s are spending time with their loved ones during the festive holiday period.
"Hosting Christmas Day celebrations is no mean feat at the best of times, let alone when you are a pensioner. While many people love spoiling their friends and families during the festive season, it is particularly important for pensioners to plan their Christmas spending carefully to ensure that they don't overspend, only to leave themselves too short to enjoy their retirement to the full in 2015."
The research shows 27 per cent of over-65s won't be hosting anyone over the Christmas period while 20 per cent admitted entertaining at Christmas is becoming a struggle as they get older.