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 2020

*(vs Total Membership)

Individual and Junior Members Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* % women*
Total
9394245311847
 79.3 20.7
100.0  20.7
In Adhering Countries

(National Members)

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9358244611804
 79.3 20.7
99.6  20.6
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
9063153
 58.0 41.0
1.3  0.5
Armenia I
20626
 76.0 23.0
0.2  0.1
Australia IV
24963312
 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
10931140
 77.0 22.0
1.2  0.3
Bolivia Suspended
000
 - -
-  -
Brazil III
14948197
 75.0 24.0
1.7  0.4
Bulgaria I
382462
 61.0 38.0
0.5  0.2
Canada V
24656302
 81.0 18.0
2.5  0.5
Chile II
10129130
 77.0 22.0
1.1  0.2
China, Nanjing VI
466107573
 81.0 18.0
4.8  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
10719126
 84.0 15.0
1.1  0.2
Denmark III
701585
 82.0 17.0
0.7  0.1
Egypt III
631376
 82.0 17.0
0.6  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
711485
 83.0 16.0
0.7  0.1
France VII
506183689
 73.0 26.0
5.8  1.5
Georgia Suspended
314
 75.0 25.0
0.0  0.0
Germany VII
516109625
 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
26257319
 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
331447
 70.0 29.0
0.4  0.1
Israel III
79988
 89.0 10.0
0.7  0.1
Italy VII
436191627
 69.0 30.0
5.3  1.6
Japan VII
61060670
 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
14330173
 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
51015
 33.0 66.0
0.1  0.1
Mexico III
13137168
 77.0 22.0
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
23658294
 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
13731168
 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
33599434
 77.0 22.0
3.7  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
43346
 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
482573
 65.0 34.0
0.6  0.2
Ukraine III
11956175
 68.0 32.0
1.5  0.5
United Arab Emirates II
729
 77.0 22.0
0.1  0.0
United Kingdom VII
48499583
 83.0 16.0
4.9  0.8
United States X
20544892543
 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
20-25 1 1 50.0 50.0
25-30 24 35 40.7 59.3
30-35 160 276 36.7 63.3
35-40 317 623 33.7 66.3
40-45 364 852 29.9 70.1
45-50 292 930 23.9 76.1
50-55 274 1057 20.6 79.4
55-60 240 1093 18.0 82.0
60-65 192 953 16.8 83.2
65-70 161 883 15.4 84.6
70-75 132 861 13.3 86.7
75-80 90 756 10.6 89.4
80-85 55 401 12.1 87.9
85-90 13 162 7.4 92.6
90-95 8 64 11.1 88.9

 

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