Geographical and Gender Distribution of Individual Members

Please note also that these numbers to 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 May 2019

*(vs Total Membership)

Individual Members Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* % women*
Total
11089244113530
 81.96 18.04
100.00  18.04
In Adhering Countries

(National Members)

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11006243113437
 81.91 18.09
99.31  17.97
In Other Countries

» View Detail 

831093
 89.25 10.75
0.69  0.07

Individual Members in Adhering Countries

National Members Cat. Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
Algeria I
718
 87.00 12.00
0.06  0.01
Argentina II
8863151
 58.00 41.00
1.12  0.47
Armenia I
22527
 81.00 18.00
0.20  0.04
Australia IV
29561356
 82.00 17.00
2.63  0.45
Austria II
511566
 77.00 22.00
0.49  0.11
Azerbaijan, Republic of Terminated
505
 100.00 0.00
0.04  0.00
Belgium IV
11928147
 80.00 19.00
1.09  0.21
Bolivia Suspended
000
 - -
-  -
Brazil III
16849217
 77.00 22.00
1.60  0.36
Bulgaria I
432669
 62.00 37.00
0.51  0.19
Canada V
27654330
 83.00 16.00
2.44  0.40
Chile II
10526131
 80.00 19.00
0.97  0.19
China, Nanjing VI
628109737
 85.00 14.00
5.45  0.81
China, Taipei II
711081
 87.00 12.00
0.60  0.07
Colombia I
27330
 90.00 10.00
0.22  0.02
Costa Rica Interim
202
 100.00 0.00
0.01  0.00
Croatia, the Republic of I
22527
 81.00 18.00
0.20  0.04
Cuba Terminated
505
 100.00 0.00
0.04  0.00
Cyprus I
101
 100.00 0.00
0.01  0.00
Czech Republic III
12020140
 85.00 14.00
1.03  0.15
Denmark III
811495
 85.00 14.00
0.70  0.10
Egypt III
711485
 83.00 16.00
0.63  0.10
Estonia I
26531
 83.00 16.00
0.23  0.04
Ethiopia I
303
 100.00 0.00
0.02  0.00
Finland II
751489
 84.00 15.00
0.66  0.10
France VII
654231885
 73.00 26.00
6.54  1.71
Georgia Suspended
617
 85.00 14.00
0.05  0.01
Germany VII
617105722
 85.00 14.00
5.34  0.78
Ghana I
112
 50.00 50.00
0.01  0.01
Greece III
10420124
 83.00 16.00
0.92  0.15
Honduras Interim
112
 50.00 50.00
0.01  0.01
Hungary II
612283
 73.00 26.00
0.61  0.16
Iceland I
606
 100.00 0.00
0.04  0.00
India VI
29144335
 86.00 13.00
2.48  0.33
Indonesia I
15520
 75.00 25.00
0.15  0.04
Iran, Islamic Rep of Suspended
36440
 90.00 10.00
0.30  0.03
Ireland I
461157
 80.00 19.00
0.42  0.08
Israel III
9611107
 89.00 10.00
0.79  0.08
Italy VII
514193707
 72.00 27.00
5.23  1.43
Japan VII
70462766
 91.00 8.00
5.66  0.46
Jordan I
303
 100.00 0.00
0.02  0.00
Kazakhstan I
8210
 80.00 20.00
0.07  0.01
Korea, Democratic People's Republic of Interim
18018
 100.00 0.00
0.13  0.00
Korea, Rep of III
14526171
 84.00 15.00
1.26  0.19
Latvia I
10313
 76.00 23.00
0.10  0.02
Lebanon Interim
606
 100.00 0.00
0.04  0.00
Lithuania I
19625
 76.00 24.00
0.18  0.04
Macedonia, Former Rep of Yugoslavia Terminated
011
 0.00 100.00
0.01  0.01
Madagascar Observer
527
 71.00 28.00
0.05  0.01
Malaysia I
8210
 80.00 20.00
0.07  0.01
Mexico III
13834172
 80.00 19.00
1.27  0.25
Mongolia Interim
516
 83.00 16.00
0.04  0.01
Morocco Observer
16117
 94.00 5.00
0.13  0.01
Mozambique Observer
101
 100.00 0.00
0.01  0.00
Netherlands V
23141272
 84.00 15.00
2.01  0.30
New Zealand II
33538
 86.00 13.00
0.28  0.04
Nigeria I
9110
 90.00 10.00
0.07  0.01
Norway II
401050
 80.00 20.00
0.37  0.07
Panama Interim
415
 80.00 20.00
0.04  0.01
Peru Suspended
101
 100.00 0.00
0.01  0.00
Philippines I
516
 83.00 16.00
0.04  0.01
Poland IV
15031181
 82.00 17.00
1.34  0.23
Portugal II
591877
 76.00 23.00
0.57  0.13
Romania I
251439
 64.00 35.00
0.29  0.10
Russian Federation V
374102476
 78.00 21.00
3.52  0.75
Saudi Arabia Suspended
12012
 100.00 0.00
0.09  0.00
Serbia, Republic of I
402060
 66.00 33.00
0.44  0.15
Slovakia I
42345
 93.00 6.00
0.33  0.02
Slovenia, the Republic of I
7310
 70.00 30.00
0.07  0.02
South Africa III
10332135
 76.00 23.00
1.00  0.24
Spain IV
31880398
 79.00 20.00
2.94  0.59
Sweden III
13722159
 86.00 13.00
1.18  0.16
Switzerland III
12719146
 86.00 13.00
1.08  0.14
Syrian Arab Republic Observer
202
 100.00 0.00
0.01  0.00
Tajikistan I
718
 87.00 12.00
0.06  0.01
Thailand I
271542
 64.00 35.00
0.31  0.11
Turkey I
662793
 70.00 29.00
0.69  0.20
Ukraine III
12857185
 69.00 30.00
1.37  0.42
United Arab Emirates II
718
 87.00 12.00
0.06  0.01
United Kingdom VII
636109745
 85.00 14.00
5.51  0.81
United States X
25244943018
 83.00 16.00
22.31  3.65
Uruguay Observer
415
 80.00 20.00
0.04  0.01
Uzbekistan Terminated
909
 100.00 0.00
0.07  0.00
Vatican City State I
12012
 100.00 0.00
0.09  0.00
Venezuela I
14721
 66.00 33.00
0.16  0.05
Vietnam Interim
8513
 61.00 38.00
0.10  0.04

Individual Members in Other Countries

Other Countries Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* %
women*
AA-Country unknown
60565
 92.00 7.00
0.48  0.04
Albania
011
 0.00 100.00
0.01  0.01
Andorra
101
 100.00 0.00
0.01  0.00
Angola, Republic of
101
 100.00 0.00
0.01  0.00
Bangladesh
101
 100.00 0.00
0.01  0.00
Ecuador
112
 50.00 50.00
0.01  0.01
Iraq
707
 100.00 0.00
0.05  0.00
Luxembourg
101
 100.00 0.00
0.01  0.00
Malta
202
 100.00 0.00
0.01  0.00
Mauritius
101
 100.00 0.00
0.01  0.00
Oman
101
 100.00 0.00
0.01  0.00
Pakistan
101
 100.00 0.00
0.01  0.00
Palestine, State of
101
 100.00 0.00
0.01  0.00
Puerto Rico
011
 0.00 100.00
0.01  0.01
Singapore
202
 100.00 0.00
0.01  0.00
Sri Lanka
202
 100.00 0.00
0.01  0.00
Trinidad & Tobago
011
 0.00 100.00
0.01  0.01
Tunisia
112
 50.00 50.00
0.01  0.01

Gender Distribution in the IAU

AGE RANGE Nº of WOMEN Nº of MEN % of WOMEN % of MEN
25-30 16 24 40.0 60.0
30-35 119 219 35.2 64.8
35-40 286 603 32.2 67.8
40-45 312 801 28.0 72.0
45-50 263 931 22.0 78.0
50-55 265 1082 19.7 80.3
55-60 213 1018 17.3 82.7
60-65 187 941 16.6 83.4
65-70 154 875 15.0 85.0
70-75 122 875 12.2 87.8
75-80 91 716 11.3 88.7
80-85 40 317 11.2 88.8
85-90 12 138 8.0 92.0
90-95 6 55 9.8 90.2

 

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