Yearly edition

Children's Tamborrada 2025

Overview · 2025

Participants5,149Drummers and cantineras registered in 2025
Change vs. previous edition-3.21%5,320 → 5,149 participants
Distinct first names99619.43% diversity
Distinct surnames3,29636.53% diversity
Compound names1993.88% of participants

In 2025, Tamborrada participation declined versus the prior comparable period. The edition also featured names making their first appearances in the available Tamborrada records.

Participation

The Tamborrada recorded 5149 participants in the target period. Compared with the prior comparable edition, participation decreased, with a change of -3.21%.

Total participants

Drummers and cantineras registered in total.

Participants
5,149

Participants growth

How much participation grew or shrank, as a percentage, compared with the previous edition.

Growth rate
-3.21%

Names

Nora ranks first among given names, ahead of Ane and Jon. Maddi and Nahia complete the five highest-ranked names. The naming pool also includes debut appearances from Xare, Ares, Ingrid, Uda, and Ulises.

Rankings5

Most frequent names

The most repeated names and how many times each one appears.
  1. 1

    Nora

    101
  2. 2

    Ane

    93
  3. 3

    Jon

    86
  4. 4

    Maddi

    85
  5. 5

    Nahia

    76
  6. 6

    Ander

    67
  7. 7

    Telmo

    66
  8. 8

    Paula

    63
  9. 9

    Sara

    63
  10. 10

    Martina

    62

Showing 10 results

Participants with multiple names

Participants with more than one given name, and what share they make up.

Participants with multiple names
199
Share of resolved participants
3.88%

Average name length

Average number of letters in the registered names.

Average characters
4.96

Surnames

Garcia leads the surname ranking, followed by Gonzalez, Rodriguez, Perez, and Martinez. Arenillas is the leading newly observed surname, with Ramlaouane and Adin also appearing among the debuts. De Eulate, Egia, Medel, Roca, and Spinola are not recorded now after appearing in the prior edition.

Rankings4

Most frequent surnames

The most repeated surnames and how many times each one appears.
  1. 1

    Garcia

    196
  2. 2

    Gonzalez

    139
  3. 3

    Rodriguez

    121
  4. 4

    Perez

    114
  5. 5

    Martinez

    112
  6. 6

    Sanchez

    108
  7. 7

    Fernandez

    105
  8. 8

    Lopez

    93
  9. 9

    Martin

    78
  10. 10

    Gomez

    69

Showing 10 results

Average surname length

Average number of letters in the registered surnames.

Average characters
6.97

Diversity

Given names show a diversity percentage of 19.43% and a Shannon entropy of 5.87, while surnames reach 36.53% and 7.34, indicating a broader surname distribution. Concentration is also lower for surnames, with a Herfindahl index of 0.0024 and a top-five share of 7.56%, compared with 0.0056 and 8.60% for given names.

Rankings1

Most common name and surname pairs

The name and surname pairs that repeat most among participants, regardless of the rest of the name.
  1. 1

    Aitana Garcia

    7
  2. 2

    Maddi Garcia

    6
  3. 3

    Paula Garcia

    6
  4. 4

    Ane Gomez

    5
  5. 5

    Iker Garcia

    5
  6. 6

    Nahia Sanchez

    5
  7. 7

    Nora Sanchez

    5
  8. 8

    Paula Hernandez

    5
  9. 9

    Ane Garcia

    4
  10. 10

    Ane Martin

    4

Showing 10 results

Names diversity

How much variety there is in names: the more distinct names, the more diversity.

Diversity
19.43%
Distinct count
996
Observations
5,126
Shannon entropy
5.87

Surnames diversity

How much variety there is in surnames: the more distinct surnames, the more diversity.

Diversity
36.53%
Distinct count
3,296
Observations
9,022
Shannon entropy
7.34

Name concentration

How concentrated participants are in a few names. The more concentration, the less diversity.

Most frequent
nora
Leader appearances
101
Leader share
1.97%
Share of the top positions
8.6%
Concentration index
0.0056

Surname concentration

How concentrated participants are in a few surnames. The more concentration, the less diversity.

Most frequent
garcia
Leader appearances
196
Leader share
2.17%
Share of the top positions
7.56%
Concentration index
0.0024

Schools

Amara Berri Ikastetxea leads the school leaderboard. Schools average 122.60 participants. The same school also ranks first for both given-name and surname diversity, indicating the broadest recorded variety in each measure.

Rankings4

Schools with the most participants

The schools with the most participants, and how many each one brings.
  1. 1

    Amara Berri Ikastetxea

    250
  2. 2

    La Salle

    217
  3. 3

    Santo Tomas Lizeoa

    216
  4. 4

    Amaratarra Txiki

    207
  5. 5

    Aldapeta Maria Ikastetxea

    204
  6. 6

    Sagrado Corazon Mundaiz

    202
  7. 7

    Ekintza Ikastola

    190
  8. 8

    Kresala Txiki

    189
  9. 9

    Jesuitas (San Ignacio de Loyola)

    178
  10. 10

    San Patricio

    175

Showing 10 results

Tables2

Most common name by school

The name that appears most in each school, and how many times it appears.
Most common name by school
SchoolMost common nameTimes
Aldapeta Maria IkastetxeaMartin7
Lanceros De La Real Sociedad HipicaAitana2
Salesianos DonostiaAlaia2
Amaratarra TxikiDanel6
Santo Tomas LizeoaMaddi8
Ikasbide IkastolaJune4
San Jose IkastetxeaJuan3
La SalleAne8
La Anunciata IkastetxeaNaroa3
Sagrado Corazon MundaizNahia6

Showing 10 results

Average school size

Average number of participants per school.

Participants per school
122.6

Renewal

School renewal was limited: the new-to-veteran ratio was 0.026, with 1 newly observed school compared with 38 veteran schools. The newly observed school was Elaienea.

Rankings2

Debuting schools

Schools taking part for the first time in this edition.
  1. 1

    Elaienea

    141

Showing 1 results

New versus veteran schools

How many new schools there are for each veteran school.

New schools
1
Veteran schools
38
Intermediate schools
3
Schools in total
42
New per veteran
0.026

Tamborrada recorded 5149 participants in 2025, down 3.21% from the prior comparable period. School participation averaged 122.60 participants per school, while the structure was weighted toward long-standing institutions, with 38 veteran schools versus 1 newly observed school.