The lists below are extracted from the FINA world rankings combined with data extracted from the rankings compiled by SwimSwam and those maintained by British Swimming. These have been filtered to show only Commonwealth swimmers, limited to 3 per nation as entries are at the Commonwealth Games themselves, and using home nation affiliations published by British Swimming. Where the top ranking is also the world number one ranking, these are shown dark grey for comparison purposes.
As this is dependent on the three data sources being updated with meet results, there may be omissions. A further point to note is that these rankings make no attempt to filter swimmers by whether they have been selected for the Commonwealth Games by their nation or what events they may swim.