Office of National Statistics (ONS)
\ ˈɔfəs \ ʌv \ ˈnæʃənəl \ stəˈtɪstɪks \ (ɑnz) \
The Office for National Statistics is the executive office of the UK Statistics Authority, a non-ministerial department which reports directly to the UK Parliament.
The ONS regularly publish life tables for the general population and sub-populations of the UK.