๐ŸŽ‚ Birthday Paradox ยท Sports
โ† All sports

Olympic Taekwondo

Delegation

7 team lists ยท 41 player entries ยท avg team size 5.9

Read this sport as a comparison between raw coincidence and what team size alone predicts. Here, the real rate is -4.0 points below the birthday-paradox baseline.

Real team lists
0.0%
teams with shared birthdays
Why it matters: This is the headline rate, but it should never be read without team size.
Expected from size
4.0%
from avg team size
Why it matters: This is the fair baseline: what same-size random teams would do.
Gap from expected
-4.0 points
real โˆ’ expected
Why it matters: Negative means this sport is quieter than team size alone predicts.
Team lists
7
teams analysed
Why it matters: Small sample: treat the rate as a lead, not a verdict.
What to notice: The best question on a sport page is not "is the real rate high?" but "is it high after accounting for team size?" That is what the gap card is answering.

Country comparison

Countries with the most team lists for Olympic Taekwondo, charted by the share of teams with at least one shared birthday.

Gender split inside this sport

Real and expected rates for labelled team lists in this sport.

Why it matters: The gender gap is mostly a team-size story. Women have the larger average team size here (6.3 athletes), so their birthday-match rate naturally rises.

By country

Top 40 countries by team-list count.

CountryTeam listsAvg playersReal
CHN26.00.0%
KOR25.50.0%
AUS18.00.0%
GBR15.00.0%
UZB15.00.0%
What to notice: Countries with larger average teams will naturally show more shared birthdays. The country list is most useful for finding which samples are driving this sport's overall rate.

By gender

Where the dataset records it.

GenderTeam listsRealExpectedGap
Women30.0%4.7%-4.7 points
Men40.0%3.4%-3.4 points

Sample team lists

Largest teams in the dataset.

TeamSeasonPlayersRepeatsExpected chance
AUS Taekwondo (2000 Summer) ยท AUS2000 Summer807.4%
CHN Taekwondo (2020 Summer) ยท CHN2020 Summer604.0%
KOR Taekwondo (2020 Summer) ยท KOR2020 Summer604.0%
CHN Taekwondo (2024 Summer) ยท CHN2024 Summer604.0%
KOR Taekwondo (2016 Summer) ยท KOR2016 Summer502.7%
GBR Taekwondo (2020 Summer) ยท GBR2020 Summer502.7%
UZB Taekwondo (2024 Summer) ยท UZB2024 Summer502.7%
What to notice: The sample team lists show the mechanics: once the player count gets large, the expected chance climbs quickly, and each repeat is another player landing on a date already present.