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
1973125%5
1975240%7
1977114%8
1981450%12
198218%13
1983215%15
198617%16
1990319%19
1991526%24
199214%25
1993728%32
199413%33
199539%36
199638%39
1997615%45
19981533%60
19991525%75
20002229%97
20015456%151
20026241%213
20032914%242
20042510%267
2005259%292
20064214%334
20073912%373
20085214%425
20095212%477
20105612%533
20115310%586
20128615%672
20139614%768
201411215%880
201515918%1039
201615315%1192
201719116%1383
2018987%1481

Average year of entry = 2010.89