Yearly editionPublished on October 18, 2026

Children's Tamborrada Statistics 2017Children's Tamborrada 2017

Overview · 2017

Participants4,807Drummers and cantineras registered in 2017

Change vs. previous edition+2.47%4,691 → 4,807 participants

Distinct first names81617.01% diversity

Distinct surnames3,21737.31% diversity

Compound names1322.75% of participants

Participation increased in the 2017 Tamborrada compared with the prior comparable period. The edition is therefore best understood through its upward overall turnout.

Participation

Tamborrada recorded 4807 participants in the target period. Participation grew by 2.47% compared with the prior comparable period.

Total participants

Drummers and cantineras registered in total.

Participants: 4,807

Participants growth

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

Growth rate: +2.47%

Names

Ane leads the given-name leaderboard with 102 occurrences, followed by Jon with 86. Ander, Nahia, and Nora share the next position at 75 each. Among names absent now after appearing previously, Eneritz had 4 occurrences, while Ohiane and Olivia each had 3.

Rankings5

Most frequent names

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

1
Ane
102
2
Jon
86
3
Ander
75
4
Nahia
75
5
Nora
75
6
Paula
75
7
Iker
73
8
Unai
73
9
Lucia
67
10
Leire
65

Participants with multiple names

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

Participants with multiple names: 132

Share of resolved participants: 2.75%

Average name length

Average number of letters in the registered names.

Average characters: 5.09

Surnames

Garcia leads the surname ranking with 179 occurrences, followed by Gonzalez with 136 and Rodriguez with 133. The surname profile also shows renewal, with Bolivar, Carcamo, Gorjon and Vivanco appearing as debuts, each recorded three times. By contrast, Coello is not recorded now after 5 occurrences in the prior edition, while Albistur, Ayerdi, Eizagirre and Idiakez are likewise absent from the current comparison.

Rankings4

Most frequent surnames

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

1
Garcia
179
2
Gonzalez
136
3
Rodriguez
133
4
Fernandez
121
5
Martinez
111
6
Lopez
108
7
Sanchez
99
8
Perez
97
9
Martin
75
10
Gomez
69

Average surname length

Average number of letters in the registered surnames.

Average characters: 6.97

Diversity

Given names show 5.64 Shannon entropy and a 17.01% diversity percentage, with a 0.0066 Herfindahl index. Surnames are more diverse and less concentrated, reaching 7.31 Shannon entropy and 37.31% diversity alongside a lower 0.0025 Herfindahl index; their top-five share is also lower, at 7.89% versus 8.61% 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
Ane Garcia
6
2
Iker Garcia
6
3
Iker Rodriguez
6
4
Iker Martinez
5
5
Nahia Gonzalez
5
6
Nora Fernandez
5
7
Sara Garcia
5
8
Unai Sanchez
5
9
Adriana Garcia
4
10
Aimar Garcia
4

Names diversity

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

Diversity: 17.01%

Distinct count: 816
Observations: 4,796
Shannon entropy: 5.64

Surnames diversity

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

Diversity: 37.31%

Distinct count: 3,217
Observations: 8,622
Shannon entropy: 7.31

Name concentration

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

Most frequent: ane

Leader appearances: 102
Leader share: 2.13%
Share of the top positions: 8.61%
Concentration index: 0.0066

Surname concentration

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

Most frequent: garcia

Leader appearances: 179
Leader share: 2.08%
Share of the top positions: 7.89%
Concentration index: 0.0025

Schools

Amara Berri Ikastetxea leads the school leaderboard with 248 participants, ahead of Santo Tomas Lizeoa with 213 and Aldapeta Maria Ikastetxea with 208. The mean school size is 114.45 participants. Amara Berri Ikastetxea also ranks first for both given-name and surname diversity within schools.

Rankings4

Schools with the most participants

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

1
Amara Berri Ikastetxea
248
2
Santo Tomas Lizeoa
213
3
Aldapeta Maria Ikastetxea
208
4
La Salle
207
5
Sagrado Corazon Mundaiz
189
6
Ekintza Ikastola
189
7
Jesuitas (San Ignacio de Loyola)
182
8
Biteri Zuhaizti
144
9
Jesuitinas
136
10
Aitor Ikastola
129

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
School	Most common name	Times
Aldapeta Maria Ikastetxea	Pablo	10
Lanceros De La Real Sociedad Hipica	Maria	2
Salesianos Donostia	Alex	3
Karmelo	Lucia	5
Santo Tomas Lizeoa	Nora	7
Ikasbide Ikastola	June	3
San Jose Ikastetxea	Ainhoa	2
La Salle	Leire	8
La Anunciata Ikastetxea	Andrea	6
Sagrado Corazon Mundaiz	Ander	8

Most common surname by school

The surname that appears most in each school, and how many times it appears.

Most common surname by school
School	Most common surname	Times
Aldapeta Maria Ikastetxea	Perez	9
Lanceros De La Real Sociedad Hipica	Del Rio	2
Salesianos Donostia	Rodriguez	6
Karmelo	Gomez	9
Santo Tomas Lizeoa	Uranga	6
Ikasbide Ikastola	Garcia	4
San Jose Ikastetxea	Flores	6
La Salle	Martinez	9
La Anunciata Ikastetxea	Fernandez	3
Sagrado Corazon Mundaiz	Garcia	11

Average school size

Average number of participants per school.

Participants per school: 114.5

Renewal

New versus veteran schools

How many new schools there are for each veteran school.

New schools: 0

Veteran schools: 42
Intermediate schools: 0
Schools in total: 42
New per veteran: 0

Tamborrada recorded 4807 participants in 2017, a 2.47% increase over the prior comparable period. The average school size was 114.45 participants, connecting the overall turnout to its school-based structure.