Older "empty nesters" are outnumbering young backpackers in the amount of overseas travel they are taking.
The gap-year generation of 18 to 24-year-olds go on more than one million trips of three weeks or more every year.
But people aged 55 or over take more than 1.5 million extended trips a year, a survey from Hotels.com found.
The younger empty nesters (those aged 45-54) are not far behind - going on 857,000 extended trips a year.
For both younger and older empty nesters, the top destination for an extended break is the USA followed by Australia and New Zealand and then the Caribbean.
In all, over-45s will take 60% of the extended breaks this year.
Hotels.com marketing director Patrik Oqvist said: "With empty nesters being less burdened with children and financial worries, it is interesting to see that an older generation of travellers is emerging.
"No longer are teenage backpackers the ones who are jetting off and seeing the world. Parents whose children have flown the nest are hearing about the experiences their children have had, and want to see these places for themselves."