The following table provides strength figures for both untrained and trained Naval personnel at the paid rank of Lieutenant Commander.
Number 1 October 1997 2,170 1 October 2006 2,060 Notes: 1. These figures include UK regular Naval personnel, including nursing services, but exclude full-time reserve personnel and activated reservists. 2. When rounding to the nearest 10, numbers ending in five have been rounded to the nearest multiple of 20 to prevent systematic bias. 3. The latest available figures are for October 2006 and to compare like with like the 1997-98 figure as been taken as at October 1997.