According to the population health survey in 2014/2015, the overall prevalence of obesity was 29.9% and overweight was 20.1% among people aged 15-84. Females aged 65-84 (34.3%) and males aged 45-54 (51.1%) were the most common age groups having obesity (Centre for Health Protection, 2017).

References:

Centre for Health Protection. (2017). Report of Population Health Survey 2014/15. Retrieved from https://www.chp.gov.hk/en/static/51256.html