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
1991525%25
199228%27
1993726%34
199413%35
199539%38
199638%41
1997615%47
19981634%63
19991524%78
20002532%103
20015351%156
20026441%220
20032913%249
20042610%275
2005269%301
20064415%345
20074112%386
20085514%441
20095312%494
20105712%551
20115410%605
20129015%695
20139614%791
201411715%908
201517519%1083
201616415%1247
201720216%1449
2018312%1480

Average year of entry = 2010.61