The 7th South American Youth Championships in Athletics were held in Tarija, Bolivia from September 13–16, 1984.

[2] Complete results can be found on the "World Junior Athletics History" website.

[3] All results are marked as "affected by altitude" (A), because Tarija is located at 1,854 metres above sea level.

*   Host nation (Bolivia) Detailed result lists can be found on the "World Junior Athletics History" website.

[3] An unofficial count yields the number of about 136 athletes from about 7 countries: