The 2020 NHS People Plan committed to providing flexible working opportunities to all NHS staff. We first consider how the prevalence of LTFT working among consultants has changed over time, how it varies by age and gender, and the extent to which changes to the demographic composition of the consultant workforce explain changes over time to LTFT working rates. For consultants of the same age and gender working in the same specialty, less-than-full-time working rates ranged from 20