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 November 2019

*(vs Total Membership)

Individual Members Number of Members
MaleFemaleTotal
% of members
MaleFemale
% members* % women*
Total
11166250613672
 81.67 18.33
100.00  18.33
In Adhering Countries

(National Members)

» View Detail 

11081249513576
 81.62 18.38
99.30  18.25
In Other Countries

» View Detail 

851196
 88.54 11.46
0.70  0.08

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
9363156
 59.00 40.00
1.14  0.46
Armenia I
23629
 79.00 20.00
0.21  0.04
Australia IV
29862360
 82.00 17.00
2.63  0.45
Austria II
521567
 77.00 22.00
0.49  0.11
Azerbaijan, Republic of Terminated
505
 100.00 0.00
0.04  0.00
Belgium IV
12128149
 81.00 18.00
1.09  0.20
Bolivia Suspended
000
 - -
-  -
Brazil III
16749216
 77.00 22.00
1.58  0.36
Bulgaria I
432669
 62.00 37.00
0.50  0.19
Canada V
28057337
 83.00 16.00
2.46  0.42
Chile II
10325128
 80.00 19.00
0.94  0.18
China, Nanjing VI
642114756
 84.00 15.00
5.53  0.83
China, Taipei II
711081
 87.00 12.00
0.59  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
505
 100.00 0.00
0.04  0.00
Czech Republic III
12021141
 85.00 14.00
1.03  0.15
Denmark III
821496
 85.00 14.00
0.70  0.10
Egypt III
721486
 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
0.65  0.10
France VII
656233889
 73.00 26.00
6.50  1.70
Georgia Suspended
617
 85.00 14.00
0.05  0.01
Germany VII
621106727
 85.00 14.00
5.32  0.78
Ghana I
112
 50.00 50.00
0.01  0.01
Greece III
10520125
 84.00 16.00
0.91  0.15
Honduras Interim
123
 33.00 66.00
0.02  0.01
Hungary II
592281
 72.00 27.00
0.59  0.16
Iceland I
606
 100.00 0.00
0.04  0.00
India VI
30650356
 85.00 14.00
2.60  0.37
Indonesia I
15520
 75.00 25.00
0.15  0.04
Iran, Islamic Rep of Suspended
36440
 90.00 10.00
0.29  0.03
Ireland I
461157
 80.00 19.00
0.42  0.08
Israel III
9611107
 89.00 10.00
0.78  0.08
Italy VII
516196712
 72.00 27.00
5.21  1.43
Japan VII
70362765
 91.00 8.00
5.60  0.45
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
14527172
 84.00 15.00
1.26  0.20
Latvia I
11314
 78.00 21.00
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
628
 75.00 25.00
0.06  0.01
Malaysia I
91120
 45.00 55.00
0.15  0.08
Mexico III
13734171
 80.00 19.00
1.25  0.25
Mongolia Interim
516
 83.00 16.00
0.04  0.01
Morocco Observer
16117
 94.00 5.00
0.12  0.01
Mozambique Observer
101
 100.00 0.00
0.01  0.00
Netherlands V
24650296
 83.00 16.00
2.17  0.37
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
40949
 81.00 18.00
0.36  0.07
Panama Interim
415
 80.00 20.00
0.04  0.01
Peru Suspended
112
 50.00 50.00
0.01  0.01
Philippines I
516
 83.00 16.00
0.04  0.01
Poland IV
15032182
 82.00 17.00
1.33  0.23
Portugal II
591877
 76.00 23.00
0.56  0.13
Romania I
251439
 64.00 35.00
0.29  0.10
Russian Federation V
373105478
 78.00 21.00
3.50  0.77
Saudi Arabia Suspended
12012
 100.00 0.00
0.09  0.00
Serbia, Republic of I
392160
 65.00 35.00
0.44  0.15
Slovakia I
43346
 93.00 6.00
0.34  0.02
Slovenia, the Republic of I
9514
 64.00 35.00
0.10  0.04
South Africa III
10735142
 75.00 24.00
1.04  0.26
Spain IV
31785402
 78.00 21.00
2.94  0.62
Sweden III
14222164
 86.00 13.00
1.20  0.16
Switzerland III
12719146
 86.00 13.00
1.07  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
672794
 71.00 28.00
0.69  0.20
Ukraine III
12557182
 68.00 31.00
1.33  0.42
United Arab Emirates II
718
 87.00 12.00
0.06  0.01
United Kingdom VII
637109746
 85.00 14.00
5.46  0.80
United States X
25205013021
 83.00 16.00
22.10  3.66
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
0.15  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
62668
 91.00 8.00
0.50  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

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 23 30 43.4 56.6
30-35 137 252 35.2 64.8
35-40 286 601 32.2 67.8
40-45 315 786 28.6 71.4
45-50 271 933 22.5 77.5
50-55 270 1047 20.5 79.5
55-60 213 1048 16.9 83.1
60-65 190 946 16.7 83.3
65-70 161 871 15.6 84.4
70-75 118 867 12.0 88.0
75-80 97 726 11.8 88.2
80-85 41 349 10.5 89.5
85-90 13 143 8.3 91.7
90-95 7 59 10.6 89.4
other 1 1 50.0 50.0

 

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