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
20095212%493
20105912%552
20115410%606
20129015%696
20139614%792
201411615%908
201517619%1084
201616715%1251
201720016%1451

Average year of entry = 2010.45