Statistics

Statistics about Mensa Switzerland

Entries and Exits by month

The following tables display how many members have joined or quit Mensa in each month.

Entries by month

Year of EntryJanFebMarAprMayJunJulAugSepOctNovDecYear Total
201034611819749161411112
2011123412101691017690
20121211111016813101612126137
201310710107914912141020132
20141012121510611128241610146
201519151317151413829172119200
20161512231424912141919717185
20172816101631111592520215207
20181820819161939816201510208

Exits by month

Year of ExitJanFebMarAprMayJunJulAugSepOctNovDecYear Total
20101465512336
2011403322564285
201211352528251116
2013113312139
20141835154
201522120233332885
20162862121141
201733246131270
2018334658671322211153

Resulting Balance

YearJanFebMarAprMayJunJulAugSepOctNovDecYear Total
201034611851-141512876
2011-2841-18-9361565
20121110810-363-15101612-13521
20139610107-24148101492093
2014-812121510-291112724161092
2015-315131714-6115261418-9115
20161512231424-196121817616144
201728-17101631-13982220203137
20181517-38148-48266141814955

Number of Members at end of month

YearJanFebMarAprMayJunJulAugSepOctNovDec
2010795799805816824829830829833848860868
2011840840840844845844852843846852867873
2012884894902912876879864874890902889894
2013903909919929936912926934944958967987
2014979991100310181028999101010221029105310691079
2015107610911104112111351129114011451171118512031194
2016120912211244125812821263126912811299131613221338
2017136613491359137514061393140214101432145214721475
2018149015071469148314911443146914751489150715211530

Event Activity by Month

The following table shows the event activity by month by counting the signups for all Mensa events in each month.
YearJanFebMarAprMayJunJulAugSepOctNovDecYear Total
20101839964555253
2011807426167865426482145100107879
20125557626194886917975769583994
201312354657346386611469627731818
201411054503959248915172615962830
20157946723955635883155795883870
20161081077610473768617914366101941213
2017941421288611712913575667465861197
2018117549912111693105119128120105361213

Forum Activity by Month

The following table displays the number of forum posts by month. As you can guess from the numbers, the website was launched in August 2010. Forum activity reached an all-time high in January 2011 with 2'217 posts. The most active single day was March 23rd 2011 with 167 posts. In general, forum activity has been declining in the last years, reaching an all-time low in June 2017 with 12 posts.
YearJanFebMarAprMayJunJulAugSepOctNovDecYear Total
2010241722556134503446132291
2011221711761095555645534222250479126895580510201
20126053856518398254434045797839247773097524
20133705416534255723681743051773992171734374
20143403422503383902412782503352503582313603
2015370169298211165174167163244107390482506
2016161170149108646771545020148771139
201710159644643128832118586531717
2018452658211612163313335757387
Today is day number 351 of 2018. The predicted total at year-end is 402 posts.

Decade-of-Entry Distribution

The following table displays the distribution of our members by decade of entry into Mensa Switzerland.
Decade of EntryNumber of Members who joined in that decadeCumulative
1960s33
1970s69
1980s817
1990s5976
2000s392468
2010s10701538

As the table shows, although Mensa Switzerland was founded as early as 1965, the majority of our members joined just recently in the 2010s, and more than 90% joined after the turn of the millennium.

Year-of-Entry Distribution

The following table displays the distribution of our members by year of entry into Mensa. Please note that the actual number of members that Mensa Switzerland had in these years is higher, because in this table only members who are still members today are counted. Nevertheless, the numbers can give you some indication of the speed at which Mensa Switzerland was growing at various times. In percentage terms, Mensa Switzerland underwent a particularly rapid expansion in the five years from 1998 to 2002.
Year of EntryNumber of Members who joined in that yearGrowth in %Cumulative
196522
1966150%3
1970133%4
1972125%5
1973120%6
1975233%8
1977113%9
1981444%13
198218%14
1983214%16
198616%17
1990318%20
1991420%24
199214%25
1993728%32
199413%33
199526%35
199639%38
1997616%44
19981739%61
19991525%76
20002229%98
20015253%150
20026040%210
20032713%237
20042511%262
20052510%287
20064014%327
20073912%366
20085014%416
20095012%466
20105311%519
20115110%570
20128415%654
20138713%741
201410815%849
201514918%998
201614815%1146
201718016%1326
201820415%1530

Average year of entry = 2011.3

Members by Region

The following table displays the distribution of our members by Swiss postal region.
Postal RegionNumber of Members
1427
238
3146
4156
596
6108
716
8549
953
Postal Region (2 digits)0123456789
112829130414727243232
215116114
380117773106213
44938513141414234
521105354156
629583911412
7522223
8242491225441441324644
9157561055

Birthyears of our members

The following table displays the age distribution of our members by birthyear.
BirthyearAgeNumber of Members
1928902
192989
1930881
193187
193286
193385
1934841
193583
193682
1937811
1938802
193979
1940781
1941771
1942762
194375
1944741
1945732
194672
1947713
1948702
1949692
1950685
1951674
1952662
1953654
1954649
19556313
19566212
19576118
19586010
19595917
19605814
19615724
19625623
19635520
19645420
19655327
19665231
19675137
19685037
19694942
19704843
19714740
19724647
19734553
19744455
19754344
19764250
19774155
19784041
19793953
19803857
19813757
19823650
19833540
19843443
19853349
19863238
19873150
19883046
19892940
19902846
19912736
19922631
19932532
19942438
19952324
19962227
19972128
19982012
1999197
2000185
2001176
2002165
2003155
2004144
2005135
2006126
2007114
2008102
200994
201083
201173
20126
20135
201441

Average Birthyear = 1978.96
Current Year = 2018.96
Average Age = 40