Incapacity Benefit and Employment support claimants due to Mental Illness Number of working-age Incapacity Benefit and Employment Support Allowance claimants, where the reason is Mental and behavioural disorders. Data is for May each year Employment and Support Allowance (ESA) replaced Incapacity Benefit and Income Support paid on the grounds of incapacity for new claims from 27th October 2008. Claimants/beneficiaries of incapacity benefit / severe disablement allowance or ESA, with mental or behavioural disorders. Download from NOMIS Click here to visit the Health Profiles pages