[1] Seoul, South Korea, had been selected to host the 6th Games but it declined due to both financial reasons and security threats from neighboring North Korea (the city eventually hosted in 1986).

2,400 athletes from 18 countries competed in this Asiad, where yachting made its debut.

The following only sent non-competing delegations: In the following calendar for the 1970 Asian Games, each blue box represents an event competition, such as a qualification round, on that day.

The yellow boxes represent days during which medal-awarding finals for a sport were held.

The numeral indicates the number of event finals for each sport held that day.