Geographical and Gender Distribution of Individual and Junior Members

Please note also that these numbers do not include IAU members for which we do not have a date of birth nor the 4 individuals who have not specified a gender as male or female.This information includes Active and Inactive Members.

Updated monthly, last updated: 1 September 2022

*(vs Total Membership)

Individual and Junior Members Number of Members
MaleFemaleOtherTotal
% of members
MaleFemaleOther
% members* % women*
Total
973227181112461
 78.1 21.8 0.1
100.0  21.8
In Adhering Countries

(National Members)

» View Detail 

971627131112440
 78.1 21.8 0.1
99.8  21.8
In Other Countries

» View Detail 

165021
 76.2 23.8 0.0
0.2  0.0

Individual and Junior Members in Adhering Countries

National Members Cat. Number of Members
MaleFemaleOtherTotal
% of members
MaleFemaleOther
% members* %
women*
Algeria I
6107
 85.0 14.0 0.0
0.1  0.0
Argentina II
97690166
 58.0 41.0 0.0
1.3  0.6
Armenia I
196025
 76.0 24.0 0.0
0.2  0.0
Australia IV
254791334
 76.0 23.0 0.0
2.7  0.6
Austria II
5121072
 70.0 29.0 0.0
0.6  0.2
Azerbaijan, Republic of Terminated
5005
 100.0 0.0 0.0
0.0  0.0
Belgium IV
108330141
 76.0 23.0 0.0
1.1  0.3
Bolivia Observer
1001
 100.0 0.0 0.0
0.0  0.0
Botswana, Republic of I
1102
 50.0 50.0 0.0
0.0  0.0
Brazil III
157490206
 76.0 23.0 0.0
1.7  0.4
Bulgaria I
3723161
 60.0 37.0 1.0
0.5  0.2
Canada V
250600310
 80.0 19.0 0.0
2.5  0.5
Chile II
108280136
 79.0 20.0 0.0
1.1  0.2
China, Nanjing VI
4851160601
 80.0 19.0 0.0
4.8  0.9
China, Taipei II
6613180
 82.0 16.0 1.0
0.6  0.1
Colombia I
285033
 84.0 15.0 0.0
0.3  0.0
Costa Rica Interim
2002
 100.0 0.0 0.0
0.0  0.0
Croatia, the Republic of I
209029
 68.0 31.0 0.0
0.2  0.1
Cuba Terminated
1001
 100.0 0.0 0.0
0.0  0.0
Cyprus I
5005
 100.0 0.0 0.0
0.0  0.0
Czech Republic III
113220135
 83.0 16.0 0.0
1.1  0.2
Denmark III
7319092
 79.0 20.0 0.0
0.7  0.2
Ecuador Observer
6107
 85.0 14.0 0.0
0.1  0.0
Egypt III
7214086
 83.0 16.0 0.0
0.7  0.1
Estonia I
175022
 77.0 22.0 0.0
0.2  0.0
Ethiopia I
6006
 100.0 0.0 0.0
0.0  0.0
Finland II
7620197
 78.0 20.0 1.0
0.8  0.2
France VII
5031850688
 73.0 26.0 0.0
5.5  1.5
Georgia I
3003
 100.0 0.0 0.0
0.0  0.0
Germany VII
5261302658
 79.0 19.0 0.0
5.3  1.0
Ghana I
1102
 50.0 50.0 0.0
0.0  0.0
Greece III
91190110
 82.0 17.0 0.0
0.9  0.2
Honduras Interim
2204
 50.0 50.0 0.0
0.0  0.0
Hungary II
6325088
 71.0 28.0 0.0
0.7  0.2
Iceland I
6006
 100.0 0.0 0.0
0.0  0.0
India VI
282730355
 79.0 20.0 0.0
2.8  0.6
Indonesia I
145019
 73.0 26.0 0.0
0.2  0.0
Iran, Islamic Rep of Suspended
264030
 86.0 13.0 0.0
0.2  0.0
Iraq Observer
145019
 73.0 26.0 0.0
0.2  0.0
Ireland I
3813051
 74.0 25.0 0.0
0.4  0.1
Israel III
8312095
 87.0 12.0 0.0
0.8  0.1
Italy VII
4632110674
 68.0 31.0 0.0
5.4  1.7
Japan VII
617650682
 90.0 9.0 0.0
5.5  0.5
Jordan I
4004
 100.0 0.0 0.0
0.0  0.0
Kazakhstan I
154019
 78.0 21.0 0.0
0.2  0.0
Korea, Democratic People's Republic of Suspended
0000
 - - -
-  -
Korea, Rep of III
158410199
 79.0 20.0 0.0
1.6  0.3
Latvia I
111012
 91.0 8.0 0.0
0.1  0.0
Lebanon Suspended
5005
 100.0 0.0 0.0
0.0  0.0
Lithuania I
146020
 70.0 30.0 0.0
0.2  0.0
Madagascar Observer
6107
 85.0 14.0 0.0
0.1  0.0
Malaysia I
813021
 38.0 61.0 0.0
0.2  0.1
Mexico III
135380173
 78.0 21.0 0.0
1.4  0.3
Mongolia Interim
2103
 66.0 33.0 0.0
0.0  0.0
Morocco Observer
141015
 93.0 6.0 0.0
0.1  0.0
Mozambique Observer
2002
 100.0 0.0 0.0
0.0  0.0
Netherlands V
253761330
 76.0 23.0 0.0
2.6  0.6
New Zealand II
328141
 78.0 19.0 2.0
0.3  0.1
Nigeria I
7108
 87.0 12.0 0.0
0.1  0.0
Norway II
4712059
 79.0 20.0 0.0
0.5  0.1
Panama Interim
3104
 75.0 25.0 0.0
0.0  0.0
Peru Suspended
1102
 50.0 50.0 0.0
0.0  0.0
Philippines I
4105
 80.0 20.0 0.0
0.0  0.0
Poland IV
138330171
 80.0 19.0 0.0
1.4  0.3
Portugal II
5721078
 73.0 26.0 0.0
0.6  0.2
Romania I
2316039
 58.0 41.0 0.0
0.3  0.1
Russian Federation V
3291000429
 76.0 23.0 0.0
3.4  0.8
Saudi Arabia Suspended
4004
 100.0 0.0 0.0
0.0  0.0
Serbia, Republic of I
3921060
 65.0 35.0 0.0
0.5  0.2
Slovakia I
474051
 92.0 7.0 0.0
0.4  0.0
Slovenia, the Republic of I
76013
 53.0 46.0 0.0
0.1  0.0
South Africa III
100410141
 70.0 29.0 0.0
1.1  0.3
Spain IV
3391080447
 75.0 24.0 0.0
3.6  0.9
Sweden III
157320189
 83.0 16.0 0.0
1.5  0.3
Switzerland III
96210117
 82.0 17.0 0.0
0.9  0.2
Syrian Arab Republic Observer
2002
 100.0 0.0 0.0
0.0  0.0
Tajikistan I
6107
 85.0 14.0 0.0
0.1  0.0
Thailand I
3417051
 66.0 33.0 0.0
0.4  0.1
Turkey I
5426080
 67.0 32.0 0.0
0.6  0.2
Ukraine III
120580178
 67.0 32.0 0.0
1.4  0.5
United Arab Emirates II
7209
 77.0 22.0 0.0
0.1  0.0
United Kingdom VII
5161140630
 81.0 18.0 0.0
5.1  0.9
United States X
208852832619
 79.0 20.0 0.0
21.0  4.2
Uruguay Observer
3104
 75.0 25.0 0.0
0.0  0.0
Uzbekistan Terminated
3003
 100.0 0.0 0.0
0.0  0.0
Vatican City State I
120012
 100.0 0.0 0.0
0.1  0.0
Venezuela Suspended
97016
 56.0 43.0 0.0
0.1  0.1
Vietnam Suspended
96015
 60.0 40.0 0.0
0.1  0.0

Individual and Junior Members in Other Countries

Other Countries Number of Members
MaleFemaleOtherTotal
% of members
MaleFemaleOther
% members* %
women*
AA-Country unknown
123015
 80.0 20.0 0.0
0.1  0.0
Albania
0101
 0.0 100.0 0.0
0.0  0.0
Guatemala
1001
 100.0 0.0 0.0
0.0  0.0
Ivory Coast, Republic of
1001
 100.0 0.0 0.0
0.0  0.0
Kuwait
0101
 0.0 100.0 0.0
0.0  0.0
Tunisia
2002
 100.0 0.0 0.0
0.0  0.0

Gender Distribution in the IAU

These statistics refer to Active members. Please note also that these numbers do not include IAU members for which we do not have a date of birth.

AGE RANGE Nº of WOMEN Nº of MEN % of WOMEN % of MEN
25-30 35 41 46.1 53.9
30-35 187 316 37.2 62.8
35-40 349 607 36.5 63.5
40-45 403 896 31.0 69.0
45-50 345 961 26.4 73.6
50-55 292 1050 21.8 78.2
55-60 274 1115 19.7 80.3
60-65 207 993 17.3 82.8
65-70 171 871 16.4 83.6
70-75 128 820 13.5 86.5
75-80 105 793 11.7 88.3
80-85 62 532 10.4 89.6
85-90 24 188 11.3 88.7
90-95 6 68 8.1 91.9
95-100 2 17 10.5 89.5
other 1 1 50.0 50.0

 

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