The 1990 World Junior Championships in Athletics was the 1990 edition of the World Junior Championships in Athletics. It was held in Plovdiv, Bulgaria on 8–12 August.

Results

Men

Women

Medal table

Participation

According to an unofficial count through an unofficial result list, 987 athletes from 86 countries participated in the event. The number of athletes is in agreement, but there is one country less than the official number of 87 as published. • 🇦🇱 albania (3) • undefined (7) • 🇦🇩 andorra (1) • 🇦🇮 anguilla (1) • 🇦🇬 antigua and barbuda (1) • 🇦🇷 argentina (3) • 🇦🇺 australia (48) • 🇦🇹 austria (7) • undefined (3) • undefined (4) • 🇧🇪 belgium (13) • undefined (1) • 🇧🇴 bolivia (1) • 🇧🇷 brazil (15) • 🇧🇬 bulgaria (47) • undefined (1) • 🇨🇦 canada (25) • undefined (1) • 🇨🇫 central african republic (1) • undefined (2) • 🇨🇳 china (12) • undefined (5) • 🇨🇴 colombia (1) • 🇨🇮 Côte d'Ivoire (2) • 🇨🇺 cuba (25) • 🇨🇾 cyprus (6) • undefined (18) • undefined (3) • undefined (42) • 🇪🇨 ecuador (6) • 🇪🇬 egypt (2) • 🇪🇹 ethiopia (14) • 🇫🇮 finland (19) • 🇫🇷 france (33) • 🇬🇧 united kingdom (41) • undefined (18) • 🇭🇺 hungary (17) • 🇮🇸 iceland (1) • 🇮🇳 india (3) • undefined (1) • 🇮🇪 ireland (14) • 🇮🇱 israel (1) • 🇮🇹 italy (31) • 🇯🇲 jamaica (19) • 🇯🇵 japan (29) • 🇰🇪 kenya (20) • undefined (1) • 🇱🇮 liechtenstein (1) • 🇱🇺 luxembourg (1) • undefined (1) • 🇲🇹 malta (2) • undefined (4) • 🇲🇽 mexico (7) • 🇲🇦 morocco (9) • 🇳🇦 namibia (4) • undefined (8) • 🇳🇿 new zealand (15) • undefined (10) • undefined (4) • 🇳🇴 norway (10) • undefined (2) • 🇵🇪 peru (3) • 🇵🇱 poland (16) • undefined (20) • 🇶🇦 qatar (3) • 🇷🇴 romania (22) • undefined (2) • 🇸🇳 senegal (1) • 🇸🇱 sierra leone (2) • undefined (1) • 🇸🇴 somalia (2) • 🇰🇷 south korea (2) • undefined (69) • 🇪🇸 spain (37) • undefined (2) • 🇸🇪 sweden (15) • undefined (6) • undefined (5) • undefined (2) • 🇹🇷 turkey (2) • 🇺🇸 united states (55) • 🇻🇪 venezuela (5) • undefined (50) • undefined (14) • undefined (3) • undefined (1)