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

Olympic Rhythmic Gymnastics

Team

14 team lists ยท 70 player entries ยท avg team size 5.0

Read this sport as a comparison between raw coincidence and what team size alone predicts. Here, the real rate is +4.4 points above the birthday-paradox baseline.

Real team lists
7.1%
teams with shared birthdays
Why it matters: This is the headline rate, but it should never be read without team size.
Expected from size
2.7%
from avg team size
Why it matters: This is the fair baseline: what same-size random teams would do.
Gap from expected
+4.4 points
real โˆ’ expected
Why it matters: Positive means the sport has more birthday matches than size alone predicts.
Team lists
14
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 Rhythmic Gymnastics, 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 (5.0 athletes), so their birthday-match rate naturally rises.

By country

Top 40 countries by team-list count.

CountryTeam listsAvg playersReal
AUS15.00.0%
AZE15.0100.0%
BRA15.00.0%
BUL15.00.0%
CHN15.00.0%
EGY15.00.0%
ESP15.00.0%
FRA15.00.0%
GER15.00.0%
ISR15.00.0%
ITA15.00.0%
MEX15.00.0%
UKR15.00.0%
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
Women147.1%2.7%+4.4 points

Sample team lists

Largest teams in the dataset.

TeamSeasonPlayersRepeatsExpected chance
Azerbaijan - Group All-Around ยท AZE2024 Summer512.7%
Australia - Group All-Around ยท AUS2024 Summer502.7%
Brazil - Group All-Around ยท BRA2024 Summer502.7%
Bulgaria - Group All-Around ยท BUL2024 Summer502.7%
People's Republic of China - Group All-Around ยท CHN2024 Summer502.7%
Egypt - Group All-Around ยท EGY2024 Summer502.7%
Spain - Group All-Around ยท ESP2024 Summer502.7%
France - Group All-Around ยท FRA2024 Summer502.7%
Germany - Group All-Around ยท GER2024 Summer502.7%
Israel - Group All-Around ยท ISR2024 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.