Birthday Party Cost by Age (2026)

$1,200

top milestone birthday party (60th–70th)

Costs climb from $279 (a 1st birthday) to $1,200 (a 60th–70th) as celebrants age

Average cost by celebrant age

1st-2nd Birthday

$279

3-5 Years

$300

6-10 Years

$344

11-13 (Tweens)

$400

14-17 (Teens)

$550

18th Birthday

$400

21st Birthday

$550

30th Birthday

$650

40th Birthday

$650

50th Birthday

$950

60th-70th Birthday

$1,200

How cost climbs by life stage

🧸 Childhood (1–13)$331

🎈 Teens & young adult (14–21)$500

🎉 Milestone adult (30+)$863

15+ national surveys · Party Genius AI · 2026