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
19991422%77
20002532%102
20015352%155
20026441%219
20032913%248
20042610%274
2005269%300
20064415%344
20074112%385
20085414%439
20095112%490
20106012%550
20115510%605
20129115%696
20139914%795
201411815%913
201517719%1090
201616815%1258
201713010%1388

Average year of entry = 2010.15