1998 World Junior Championships in Athletics – Men's decathlon

The men's decathlon event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 29 and 30 July. Senior implements (106.7 cm (3'6) hurdles, 7257g shot, 2 kg discus) were used.

Final
29/30 July {{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}

Participation
According to an unofficial count, 22 athletes from 17 countries participated in the event. • 🇦🇹 austria (2)

• 🇧🇾 belarus (1)

• 🇧🇷 brazil (1)

• 🇨🇦 canada (1)

• 🇪🇪 estonia (1)

• 🇫🇮 finland (2)

• 🇫🇷 france (2)

• 🇩🇪 germany (2)

• 🇯🇲 jamaica (1)

• undefined (1)

• undefined (1)

• 🇵🇱 poland (1)

• 🇶🇦 qatar (1)

• 🇷🇺 russia (1)

• undefined (1)

• 🇹🇨 turks and caicos islands (1)

• 🇺🇸 united states (2)