Yes, you need to be at least 18 years old to open a bank account.This applies to both holders in case of a joint account.Related ArticlesIf my bank account is not opened will I get a refund?Millennium Account Programa Prestige: Fees and Benefits AnalysisBank Account Opening Requirements for Non-EU ClientsDocument Requiremets for Millennium Bank ApplicationMillennium Account Programa Prestige: Fee Reduction Conditions and Amounts