Bosnia and Herzegovina qualified 3 swimmers.

Australia has qualified 7 swimmers.

Australia has qualified 36 swimmers.

The fastest swimmer in each heat and the fastest loser advanced, qualifying 10 swimmers for the semifinals.

Athletes from the Netherlands Antilles have qualified two swimmers.

South Africa qualified 23 swimmers.

El Salvador has qualified four swimmers.

The fastest swimmer in each heat and the two fastest losers advanced, qualifying 11 swimmers for the semifinals.

Great Britain qualified 38 swimmers.

Paraguay has qualified six swimmers (five male and one female).