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 June 2023

*(vs Total Membership)

Individual and Junior Members Number of Members
MaleFemaleOtherTotal
 % of members
MaleFemaleOther
 % members* % women*
Total
982927841412627
 77.8 22.0 0.1
 100.0  22.0
In Adhering Countries

(National Members)

» View Detail 
981327791412606
 77.8 22.0 0.1
 99.8  22.0
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
94690163
 57.0 42.0 0.0
 1.3  0.5
Armenia I
166022
 72.0 27.0 0.0
 0.2  0.0
Australia IV
255852342
 74.0 24.0 0.0
 2.7  0.7
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
108331142
 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
1001
 100.0 0.0 0.0
 0.0  0.0
Brazil III
157490206
 76.0 23.0 0.0
 1.6  0.4
Bulgaria I
3623160
 60.0 38.0 1.0
 0.5  0.2
Canada V
250630313
 79.0 20.0 0.0
 2.5  0.5
Chile II
109290138
 78.0 21.0 0.0
 1.1  0.2
China, Nanjing VI
4931180611
 80.0 19.0 0.0
 4.8  0.9
China, Taipei II
6813182
 82.0 15.0 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
115220137
 83.0 16.0 0.0
 1.1  0.2
Denmark III
7320093
 78.0 21.0 0.0
 0.7  0.2
Ecuador Observer
6107
 85.0 14.0 0.0
 0.1  0.0
Egypt III
7215087
 82.0 17.0 0.0
 0.7  0.1
Estonia I
165021
 76.0 23.0 0.0
 0.2  0.0
Ethiopia I
140014
 100.0 0.0 0.0
 0.1  0.0
Finland II
7521197
 77.0 21.0 1.0
 0.8  0.2
France VII
5011860687
 72.0 27.0 0.0
 5.4  1.5
Georgia I
101011
 90.0 9.0 0.0
 0.1  0.0
Germany VII
5311382671
 79.0 20.0 0.0
 5.3  1.1
Ghana I
1102
 50.0 50.0 0.0
 0.0  0.0
Greece III
92180110
 83.0 16.0 0.0
 0.9  0.1
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
291740365
 79.0 20.0 0.0
 2.9  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
165021
 76.0 23.0 0.0
 0.2  0.0
Ireland I
3813051
 74.0 25.0 0.0
 0.4  0.1
Israel III
89120101
 88.0 11.0 0.0
 0.8  0.1
Italy VII
4712190690
 68.0 31.0 0.0
 5.5  1.7
Japan VII
625680693
 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
163420205
 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
136019
 68.0 31.0 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
140380178
 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
143017
 82.0 17.0 0.0
 0.1  0.0
Mozambique Observer
2002
 100.0 0.0 0.0
 0.0  0.0
Netherlands V
252741327
 77.0 22.0 0.0
 2.6  0.6
New Zealand II
337141
 80.0 17.0 2.0
 0.3  0.1
Nigeria I
7108
 87.0 12.0 0.0
 0.1  0.0
Norway II
4914063
 77.0 22.0 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
137360173
 79.0 20.0 0.0
 1.4  0.3
Portugal II
5621077
 72.0 27.0 0.0
 0.6  0.2
Romania I
2316039
 58.0 41.0 0.0
 0.3  0.1
Russian Federation V
3381020440
 76.0 23.0 0.0
 3.5  0.8
Saudi Arabia Suspended
4004
 100.0 0.0 0.0
 0.0  0.0
Serbia, Republic of I
4123064
 64.0 35.0 0.0
 0.5  0.2
Slovakia I
465051
 90.0 9.0 0.0
 0.4  0.0
Slovenia, the Republic of I
86014
 57.0 42.0 0.0
 0.1  0.0
South Africa III
105440149
 70.0 29.0 0.0
 1.2  0.3
Spain IV
3481150463
 75.0 24.0 0.0
 3.7  0.9
Sweden III
158340192
 82.0 17.0 0.0
 1.5  0.3
Switzerland III
95210116
 81.0 18.0 0.0
 0.9  0.2
Syrian Arab Republic Observer
2002
 100.0 0.0 0.0
 0.0  0.0
Tajikistan I
5106
 83.0 16.0 0.0
 0.0  0.0
Thailand I
3417051
 66.0 33.0 0.0
 0.4  0.1
Turkey I
5627083
 67.0 32.0 0.0
 0.7  0.2
Ukraine III
118570175
 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
5261200646
 81.0 18.0 0.0
 5.1  1.0
United States X
208653142621
 79.0 20.0 0.0
 20.8  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
87015
 53.0 46.0 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 26 32 44.8 55.2
30-35 201 312 39.2 60.8
35-40 347 596 36.8 63.2
40-45 406 881 31.5 68.5
45-50 356 972 26.8 73.2
50-55 306 1029 22.9 77.1
55-60 266 1147 18.8 81.2
60-65 221 985 18.3 81.7
65-70 167 898 15.7 84.3
70-75 137 804 14.6 85.4
75-80 103 779 11.7 88.3
80-85 69 582 10.6 89.4
85-90 25 209 10.7 89.3
90-95 7 77 8.3 91.7
95-100 2 18 10.0 90.0
other 1 3 25.0 75.0

 

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