Debit cards dominate online payment preferences across most age groups in the Preferred Online Payment Methods by Age Group in UK 2026 data, peaking among 35–44 year olds at and remaining the clear top choice for every cohort under 55. Credit cards, by contrast, surge among older consumers, becoming the leading method for those aged 65+, where cite it as their preferred option — nearly double the share seen among 25–34 year olds ().