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
19981736%64
19991422%78
20002532%103
20015250%155
20026542%220
20033014%250
20042610%276
2005269%302
20064415%346
20074112%387
20085414%441
20095312%494
20106112%555
20115610%611
20129315%704
201310214%806
201411915%925
201518019%1105
201617216%1277
2017716%1348

Average year of entry = 2009.88