Geographical and Gender Distribution of Individual Members

These statistics refer to Active members. Please note also that these numbers to not include IAU members for which we do not have a date of birth.

Updated monthly, last updated: 1 November 2018

*(vs Total Membership)

Individual Members Number of Members
MaleFemaleTotal
 % of members
MaleFemale
 % members* % women*
Total
11136244713583
 81.98 18.02
 100.00  18.02
In Adhering Countries

(National Members)

» View Detail 
11053243713490
 81.93 18.07
 99.32  17.94
In Other Countries

» View Detail 
831093
 89.25 10.75
 0.68  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
9463157
 59.00 40.00
 1.16  0.46
Armenia I
23528
 82.00 17.00
 0.21  0.04
Australia IV
29459353
 83.00 16.00
 2.60  0.43
Austria II
531568
 77.00 22.00
 0.50  0.11
Azerbaijan, Republic of Terminated
505
 100.00 0.00
 0.04  0.00
Belgium IV
12128149
 81.00 18.00
 1.10  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
 2.43  0.40
Chile II
10625131
 80.00 19.00
 0.96  0.18
China, Nanjing VI
627110737
 85.00 14.00
 5.43  0.81
China, Taipei II
711182
 86.00 13.00
 0.60  0.08
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
23528
 82.00 17.00
 0.21  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
12221143
 85.00 14.00
 1.05  0.15
Denmark III
821496
 85.00 14.00
 0.71  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
656232888
 73.00 26.00
 6.54  1.71
Georgia Suspended
617
 85.00 14.00
 0.05  0.01
Germany VII
624103727
 85.00 14.00
 5.35  0.76
Ghana I
112
 50.00 50.00
 0.01  0.01
Greece III
10420124
 83.00 16.00
 0.91  0.15
Honduras Interim
112
 50.00 50.00
 0.01  0.01
Hungary II
612485
 71.00 28.00
 0.63  0.18
Iceland I
606
 100.00 0.00
 0.04  0.00
India VI
29144335
 86.00 13.00
 2.47  0.32
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
9711108
 89.00 10.00
 0.80  0.08
Italy VII
515193708
 72.00 27.00
 5.21  1.42
Japan VII
70562767
 91.00 8.00
 5.65  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
 2.00  0.30
New Zealand II
34438
 89.00 10.00
 0.28  0.03
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
213
 66.00 33.00
 0.02  0.01
Philippines I
516
 83.00 16.00
 0.04  0.01
Poland IV
15131182
 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
 3.50  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
10433137
 75.00 24.00
 1.01  0.24
Spain IV
31880398
 79.00 20.00
 2.93  0.59
Sweden III
13822160
 86.00 13.00
 1.18  0.16
Switzerland III
12819147
 87.00 12.00
 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
 0.68  0.20
Ukraine III
12857185
 69.00 30.00
 1.36  0.42
United Arab Emirates II
718
 87.00 12.00
 0.06  0.01
United Kingdom VII
638110748
 85.00 14.00
 5.51  0.81
United States X
25374973034
 83.00 16.00
 22.34  3.66
Uruguay Interim
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
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
>100 2 1 66.7 33.3
<20 1 2 33.3 66.7
25-30 22 39 36.1 63.9
30-35 134 248 35.1 64.9
35-40 288 624 31.6 68.4
40-45 305 814 27.3 72.7
45-50 263 950 21.7 78.3
50-55 257 1097 19.0 81.0
55-60 210 990 17.5 82.5
60-65 180 936 16.1 83.9
65-70 146 866 14.4 85.6
70-75 127 865 12.8 87.2
75-80 81 689 10.5 89.5
80-85 39 285 12.0 88.0
85-90 10 135 6.9 93.1
90-95 6 53 10.2 89.8
95-100 1 8 11.1 88.9

 

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