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 January 2021

*(vs Total Membership)

Individual and Junior Members Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* % women*
Total
9359244511804
 79.3 20.7
100.0  20.7
In Adhering Countries

(National Members)

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9323243811761
 79.3 20.7
99.6  20.7
In Other Countries

» View Detail 

36743
 83.7 16.3
0.4  0.1

Individual and Junior Members in Adhering Countries

National Members Cat. Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
Algeria I
617
 85.0 14.0
0.1  0.0
Argentina II
9163154
 59.0 40.0
1.3  0.5
Armenia I
20626
 76.0 23.0
0.2  0.1
Australia IV
24863311
 79.0 20.0
2.6  0.5
Austria II
481866
 72.0 27.0
0.6  0.2
Azerbaijan, Republic of Terminated
505
 100.0 0.0
0.0  0.0
Belgium IV
10930139
 78.0 21.0
1.2  0.3
Bolivia Suspended
000
 - -
-  -
Brazil III
14848196
 75.0 24.0
1.7  0.4
Bulgaria I
382462
 61.0 38.0
0.5  0.2
Canada V
24556301
 81.0 18.0
2.5  0.5
Chile II
10129130
 77.0 22.0
1.1  0.2
China, Nanjing VI
468107575
 81.0 18.0
4.9  0.9
China, Taipei II
58967
 86.0 13.0
0.6  0.1
Colombia I
28331
 90.0 9.0
0.3  0.0
Costa Rica Interim
202
 100.0 0.0
0.0  0.0
Croatia, the Republic of I
21930
 70.0 30.0
0.3  0.1
Cuba Terminated
101
 100.0 0.0
0.0  0.0
Cyprus I
505
 100.0 0.0
0.0  0.0
Czech Republic III
10819127
 85.0 14.0
1.1  0.2
Denmark III
701585
 82.0 17.0
0.7  0.1
Egypt III
641377
 83.0 16.0
0.7  0.1
Estonia I
21526
 80.0 19.0
0.2  0.0
Ethiopia I
303
 100.0 0.0
0.0  0.0
Finland II
701484
 83.0 16.0
0.7  0.1
France VII
503182685
 73.0 26.0
5.8  1.5
Georgia Suspended
314
 75.0 25.0
0.0  0.0
Germany VII
512109621
 82.0 17.0
5.3  0.9
Ghana I
112
 50.0 50.0
0.0  0.0
Greece III
8820108
 81.0 18.0
0.9  0.2
Honduras Interim
123
 33.0 66.0
0.0  0.0
Hungary II
632083
 75.0 24.0
0.7  0.2
Iceland I
505
 100.0 0.0
0.0  0.0
India VI
26057317
 82.0 17.0
2.7  0.5
Indonesia I
13518
 72.0 27.0
0.2  0.0
Iran, Islamic Rep of Suspended
27431
 87.0 12.0
0.3  0.0
Ireland I
311445
 68.0 31.0
0.4  0.1
Israel III
78987
 89.0 10.0
0.7  0.1
Italy VII
438191629
 69.0 30.0
5.3  1.6
Japan VII
60960669
 91.0 8.0
5.7  0.5
Jordan I
303
 100.0 0.0
0.0  0.0
Kazakhstan I
10212
 83.0 16.0
0.1  0.0
Korea, Democratic People's Republic of Interim
101
 100.0 0.0
0.0  0.0
Korea, Rep of III
14431175
 82.0 17.0
1.5  0.3
Latvia I
10313
 76.0 23.0
0.1  0.0
Lebanon Interim
404
 100.0 0.0
0.0  0.0
Lithuania I
16622
 72.0 27.0
0.2  0.1
Madagascar Observer
628
 75.0 25.0
0.1  0.0
Malaysia I
51116
 31.0 68.0
0.1  0.1
Mexico III
13136167
 78.0 21.0
1.4  0.3
Mongolia Interim
213
 66.0 33.0
0.0  0.0
Morocco Observer
14115
 93.0 6.0
0.1  0.0
Mozambique Observer
202
 100.0 0.0
0.0  0.0
Netherlands V
23457291
 80.0 19.0
2.5  0.5
New Zealand II
30737
 81.0 18.0
0.3  0.1
Nigeria I
718
 87.0 12.0
0.1  0.0
Norway II
401050
 80.0 20.0
0.4  0.1
Panama Interim
314
 75.0 25.0
0.0  0.0
Peru Suspended
112
 50.0 50.0
0.0  0.0
Philippines I
415
 80.0 20.0
0.0  0.0
Poland IV
13430164
 81.0 18.0
1.4  0.3
Portugal II
541872
 75.0 25.0
0.6  0.2
Romania I
241337
 64.0 35.0
0.3  0.1
Russian Federation V
32897425
 77.0 22.0
3.6  0.8
Saudi Arabia Suspended
404
 100.0 0.0
0.0  0.0
Serbia, Republic of I
382260
 63.0 36.0
0.5  0.2
Slovakia I
42345
 93.0 6.0
0.4  0.0
Slovenia, the Republic of I
6511
 54.0 45.0
0.1  0.0
South Africa III
9635131
 73.0 26.0
1.1  0.3
Spain IV
31294406
 76.0 23.0
3.4  0.8
Sweden III
14325168
 85.0 14.0
1.4  0.2
Switzerland III
9420114
 82.0 17.0
1.0  0.2
Syrian Arab Republic Observer
202
 100.0 0.0
0.0  0.0
Tajikistan I
617
 85.0 14.0
0.1  0.0
Thailand I
291544
 65.0 34.0
0.4  0.1
Turkey I
492574
 66.0 33.0
0.6  0.2
Ukraine III
11955174
 68.0 31.0
1.5  0.5
United Arab Emirates II
729
 77.0 22.0
0.1  0.0
United Kingdom VII
47998577
 83.0 16.0
4.9  0.8
United States X
20454882533
 80.0 19.0
21.5  4.1
Uruguay Observer
314
 75.0 25.0
0.0  0.0
Uzbekistan Terminated
303
 100.0 0.0
0.0  0.0
Vatican City State I
11011
 100.0 0.0
0.1  0.0
Venezuela I
9716
 56.0 43.0
0.1  0.1
Vietnam Interim
9615
 60.0 40.0
0.1  0.1

Individual and Junior Members in Other Countries

Other Countries Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
AA-Country unknown
18321
 85.0 14.0
0.2  0.0
Albania
011
 0.0 100.0
0.0  0.0
Andorra
101
 100.0 0.0
0.0  0.0
Angola, Republic of
101
 100.0 0.0
0.0  0.0
Bangladesh
101
 100.0 0.0
0.0  0.0
Ecuador
112
 50.0 50.0
0.0  0.0
Iraq
101
 100.0 0.0
0.0  0.0
Luxembourg
101
 100.0 0.0
0.0  0.0
Malta
202
 100.0 0.0
0.0  0.0
Mauritius
101
 100.0 0.0
0.0  0.0
Oman
101
 100.0 0.0
0.0  0.0
Pakistan
101
 100.0 0.0
0.0  0.0
Palestine, State of
101
 100.0 0.0
0.0  0.0
Puerto Rico
011
 0.0 100.0
0.0  0.0
Singapore
202
 100.0 0.0
0.0  0.0
Sri Lanka
202
 100.0 0.0
0.0  0.0
Trinidad & Tobago
011
 0.0 100.0
0.0  0.0
Tunisia
202
 100.0 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 21 27 43.8 56.3
30-35 152 263 36.6 63.4
35-40 310 589 34.5 65.5
40-45 365 856 29.9 70.1
45-50 279 916 23.3 76.7
50-55 280 1051 21.0 79.0
55-60 243 1082 18.3 81.7
60-65 194 954 16.9 83.1
65-70 163 892 15.5 84.5
70-75 131 850 13.4 86.6
75-80 92 745 11.0 89.0
80-85 52 424 10.9 89.1
85-90 14 156 8.2 91.8
90-95 8 62 11.4 88.6
95-100 1 11 8.3 91.7

 

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