A maximum of three competitors per nation were allowed.

The list below gives percentages of Tamil population per nation.

In brackets is the number of athletes per nation.

Two athletes per nation are allowed to compete in each of the 15 events.

Membership is limited to one nursing organization per nation.

The top eight, with a limit of two per nation, advance to the individuals.

Entry was limited to one rider, or as the case may be one team, per nation.

Generally, only three participants per nation allowed to participate in the World Cup final.

The number of teams per nation in the mixed team event is reduced from two to one starting at these championships.

From 2007 only one team per nation is allowed to compete.