Statistical surveys
1 The Confederation shall keep statistics on federal elections and popular votes; these shall provide information at communal, district and cantonal levels on:
The Federal Council may order additional statistical surveys on the elections to the National Council and on popular votes.
2 It may, after consulting the relevant cantonal government, provide for the votes in selected communes to be separated according to sex and age groups.
3 No breach of voting secrecy in connection with a statistical surveys shall be permitted.