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 August 2020

*(vs Total Membership)

Individual and Junior Members Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* % women*
Total
11360268214042
 80.9 19.1
100.0  19.1
In Adhering Countries

(National Members)

» View Detail 

11286267213958
 80.9 19.1
99.4  19.0
In Other Countries

» View Detail 

741084
 88.1 11.9
0.6  0.1

Individual and Junior Members in Adhering Countries

National Members Cat. Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
Algeria I
718
 87.0 12.0
0.1  0.0
Argentina II
9965164
 60.0 39.0
1.2  0.5
Armenia I
23629
 79.0 20.0
0.2  0.0
Australia IV
29968367
 81.0 18.0
2.6  0.5
Austria II
561975
 74.0 25.0
0.5  0.1
Azerbaijan, Republic of Terminated
505
 100.0 0.0
0.0  0.0
Belgium IV
12535160
 78.0 21.0
1.1  0.2
Bolivia Suspended
000
 - -
-  -
Brazil III
17051221
 76.0 23.0
1.6  0.4
Bulgaria I
452772
 62.0 37.0
0.5  0.2
Canada V
28558343
 83.0 16.0
2.4  0.4
Chile II
11029139
 79.0 20.0
1.0  0.2
China, Nanjing VI
660123783
 84.0 15.0
5.6  0.9
China, Taipei II
711081
 87.0 12.0
0.6  0.1
Colombia I
29332
 90.0 9.0
0.2  0.0
Costa Rica Interim
202
 100.0 0.0
0.0  0.0
Croatia, the Republic of I
24933
 72.0 27.0
0.2  0.1
Cuba Terminated
505
 100.0 0.0
0.0  0.0
Cyprus I
505
 100.0 0.0
0.0  0.0
Czech Republic III
12422146
 84.0 15.0
1.0  0.2
Denmark III
831699
 83.0 16.0
0.7  0.1
Egypt III
751792
 81.0 18.0
0.7  0.1
Estonia I
26632
 81.0 18.0
0.2  0.0
Ethiopia I
303
 100.0 0.0
0.0  0.0
Finland II
781492
 84.0 15.0
0.7  0.1
France VII
651231882
 73.0 26.0
6.3  1.6
Georgia Suspended
617
 85.0 14.0
0.0  0.0
Germany VII
633117750
 84.0 15.0
5.3  0.8
Ghana I
112
 50.0 50.0
0.0  0.0
Greece III
10321124
 83.0 16.0
0.9  0.1
Honduras Interim
123
 33.0 66.0
0.0  0.0
Hungary II
652287
 74.0 25.0
0.6  0.2
Iceland I
606
 100.0 0.0
0.0  0.0
India VI
33058388
 85.0 14.0
2.8  0.4
Indonesia I
15520
 75.0 25.0
0.1  0.0
Iran, Islamic Rep of Suspended
36440
 90.0 10.0
0.3  0.0
Ireland I
471562
 75.0 24.0
0.4  0.1
Israel III
9711108
 89.0 10.0
0.8  0.1
Italy VII
528206734
 71.0 28.0
5.2  1.5
Japan VII
70563768
 91.0 8.0
5.5  0.4
Jordan I
303
 100.0 0.0
0.0  0.0
Kazakhstan I
11213
 84.0 15.0
0.1  0.0
Korea, Democratic People's Republic of Interim
18018
 100.0 0.0
0.1  0.0
Korea, Rep of III
15531186
 83.0 16.0
1.3  0.2
Latvia I
11314
 78.0 21.0
0.1  0.0
Lebanon Interim
606
 100.0 0.0
0.0  0.0
Lithuania I
19625
 76.0 24.0
0.2  0.0
Macedonia, Former Rep of Yugoslavia Terminated
011
 0.0 100.0
0.0  0.0
Madagascar Observer
628
 75.0 25.0
0.1  0.0
Malaysia I
91120
 45.0 55.0
0.1  0.1
Mexico III
14337180
 79.0 20.0
1.3  0.3
Mongolia Interim
516
 83.0 16.0
0.0  0.0
Morocco Observer
17118
 94.0 5.0
0.1  0.0
Mozambique Observer
202
 100.0 0.0
0.0  0.0
Netherlands V
26363326
 80.0 19.0
2.3  0.4
New Zealand II
33740
 82.0 17.0
0.3  0.0
Nigeria I
9110
 90.0 10.0
0.1  0.0
Norway II
431053
 81.0 18.0
0.4  0.1
Panama Interim
415
 80.0 20.0
0.0  0.0
Peru Suspended
112
 50.0 50.0
0.0  0.0
Philippines I
516
 83.0 16.0
0.0  0.0
Poland IV
14932181
 82.0 17.0
1.3  0.2
Portugal II
601979
 75.0 24.0
0.6  0.1
Romania I
241539
 61.0 38.0
0.3  0.1
Russian Federation V
379106485
 78.0 21.0
3.5  0.8
Saudi Arabia Suspended
12012
 100.0 0.0
0.1  0.0
Serbia, Republic of I
382361
 62.0 37.0
0.4  0.2
Slovakia I
44347
 93.0 6.0
0.3  0.0
Slovenia, the Republic of I
9514
 64.0 35.0
0.1  0.0
South Africa III
10737144
 74.0 25.0
1.0  0.3
Spain IV
34799446
 77.0 22.0
3.2  0.7
Sweden III
15525180
 86.0 13.0
1.3  0.2
Switzerland III
12823151
 84.0 15.0
1.1  0.2
Syrian Arab Republic Observer
202
 100.0 0.0
0.0  0.0
Tajikistan I
718
 87.0 12.0
0.1  0.0
Thailand I
311546
 67.0 32.0
0.3  0.1
Turkey I
662995
 69.0 30.0
0.7  0.2
Ukraine III
12758185
 68.0 31.0
1.3  0.4
United Arab Emirates II
8210
 80.0 20.0
0.1  0.0
United Kingdom VII
634118752
 84.0 15.0
5.4  0.8
United States X
25185333051
 82.0 17.0
21.7  3.8
Uruguay Observer
415
 80.0 20.0
0.0  0.0
Uzbekistan Terminated
808
 100.0 0.0
0.1  0.0
Vatican City State I
11011
 100.0 0.0
0.1  0.0
Venezuela I
13720
 65.0 35.0
0.1  0.0
Vietnam Interim
9615
 60.0 40.0
0.1  0.0

Individual and Junior Members in Other Countries

Other Countries Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
AA-Country unknown
50555
 90.0 9.0
0.4  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
707
 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
213
 66.0 33.0
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 27 41 39.7 60.3
30-35 165 279 37.2 62.8
35-40 315 644 32.8 67.2
40-45 362 845 30.0 70.0
45-50 295 936 24.0 76.0
50-55 270 1049 20.5 79.5
55-60 244 1099 18.2 81.8
60-65 189 948 16.6 83.4
65-70 159 883 15.3 84.7
70-75 132 866 13.2 86.8
75-80 92 751 10.9 89.1
80-85 53 395 11.8 88.2
85-90 13 161 7.5 92.5
90-95 8 62 11.4 88.6
other 1 1 50.0 50.0

 

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