1986 World Junior Championships in Athletics

The 1986 World Junior Championships in Athletics was the inaugural 1986 edition of the World Junior Championships in Athletics. It was held in Athens, Greece on 16–20 July.

Participation
According to an unofficial count through an unofficial result list, 1135 athletes from 142 countries participated in the event. This is in agreement with the official numbers as published.

• 🇦🇫 afghanistan (1)

• 🇦🇱 albania (2)

• undefined (5)

• undefined (2)

• 🇦🇮 anguilla (1)

• 🇦🇬 antigua and barbuda (3)

• 🇦🇷 argentina (4)

• 🇦🇺 australia (40)

• 🇦🇹 austria (15)

• undefined (5)

• 🇧🇭 bahrain (3)

• undefined (1)

• undefined (4)

• 🇧🇪 belgium (9)

• undefined (1)

• undefined (2)

• 🇧🇴 bolivia (3)

• undefined (2)

• 🇧🇷 brazil (8)

• undefined (2)

• 🇧🇬 bulgaria (24)

• undefined (1)

• 🇰🇭 cambodia (1)

• 🇨🇲 cameroon (2)

• 🇨🇦 canada (65)

• undefined (1)

• undefined (1)

• undefined (5)

• 🇨🇳 china (8)

• undefined (3)

• 🇨🇴 colombia (6)

• 🇰🇲 comoros (1)

• undefined (2)

• 🇨🇰 cook islands (1)

• undefined (2)

• 🇨🇮 Côte d'Ivoire (4)

• 🇨🇺 cuba (27)

• 🇨🇾 cyprus (7)

• undefined (15)

• undefined (4)

• 🇩🇯 djibouti (4)

• 🇩🇴 dominican republic (5)

• undefined (41)

• 🇪🇨 ecuador (3)

• 🇪🇬 egypt (7)

• undefined (2)

• 🇪🇹 ethiopia (8)

• undefined (1)

• 🇫🇮 finland (14)

• 🇫🇷 france (30)

• undefined (3)

• 🇬🇭 ghana (5)

• 🇬🇮 gibraltar (1)

• 🇬🇧 united kingdom (38)

• undefined (41)

• undefined (1)

• undefined (2)

• undefined (1)

• 🇬🇾 guyana (3)

• 🇭🇰 hong kong (2)

• 🇭🇺 hungary (19)

• 🇮🇸 iceland (4)

• 🇮🇳 india (11)

• undefined (6)

• 🇮🇶 iraq (1)

• 🇮🇪 ireland (1)

• 🇮🇱 israel (5)

• 🇮🇹 italy (35)

• 🇯🇲 jamaica (9)

• 🇯🇵 japan (28)

• 🇰🇪 kenya (12)

• undefined (3)

• undefined (3)

• undefined (3)

• 🇱🇷 liberia (1)

• 🇱🇮 liechtenstein (1)

• undefined (2)

• undefined (1)

• undefined (2)

• 🇲🇹 malta (2)

• undefined (1)

• undefined (4)

• 🇲🇽 mexico (8)

• 🇲🇸 montserrat (1)

• 🇲🇦 morocco (6)

• 🇳🇷 nauru (1)

• undefined (1)

• undefined (8)

• undefined (1)

• 🇳🇿 new zealand (11)

• undefined (2)

• undefined (20)

• undefined (2)

• 🇳🇴 norway (8)

• undefined (1)

• 🇵🇰 pakistan (2)

• undefined (3)

• 🇵🇦 panama (3)

• 🇵🇬 papua new guinea (2)

• undefined (3)

• 🇵🇪 peru (3)

• undefined (2)

• 🇵🇱 poland (23)

• undefined (8)

• undefined (6)

• 🇷🇴 romania (18)

• undefined (1)

• 🇱🇨 saint lucia (2)

• undefined (1)

• 🇸🇲 san marino (2)

• undefined (8)

• 🇸🇳 senegal (4)

• undefined (3)

• 🇸🇱 sierra leone (2)

• undefined (4)

• 🇸🇴 somalia (2)

• 🇰🇷 south korea (3)

• undefined (1)

• undefined (69)

• 🇪🇸 spain (30)

• undefined (1)

• undefined (3)

• 🇸🇷 suriname (1)

• 🇸🇿 swaziland (3)

• 🇸🇪 sweden (19)

• undefined (5)

• undefined (3)

• 🇹🇭 thailand (5)

• undefined (1)

• undefined (5)

• 🇹🇳 tunisia (4)

• undefined (6)

• 🇺🇸 united states (75)

• undefined (3)

• undefined (1)

• undefined (1)

• 🇻🇪 venezuela (3)

• undefined (42)

• undefined (15)

• undefined (1)

• undefined (2)

• undefined (2)