Survey on the frequency of recreational swimming in Germany 2012-2015

Information on base:
German-speaking resident population aged 14 years and older.

Information on random sample:
n (2012)=27,104, projected to 70.21 millions
n (2013)=25,677, projected to 70.33 millions
n (2014)=25,363, projected to 70.52 millions
n (2015)=25,140, projected to 69.24 millions

You can find further information on the methodology of the study here.

The question was phrased by the source as follows: "What do you do in your spare time, the season allowing? Please tick off in every line whether you do the named activity often, sometimes, or never. Leisure time: swimming" (Original German question: "Was machen Sie in Ihrer Freizeit, wenn es von der Jahreszeit her möglich ist? Kreuzen Sie bitte in jeder Zeile an, ob Sie das nie, ab und zu oder häufig machen. / Freizeit: Schwimmen")