Deadline to contribute to an RRSP for the 2015 tax year:

February 29, 2016.

Total RRSP contributions for 2013 (Statistics Canada):

$37.4 billion.

Number of filers who contributed to RRSP:

5.9 million.

Median contribution:

$3,000.

How much do Canadians have saved in RRSPs (according to Investor Economics):

$1.03 trillion.

Tax planning:

Canada Revenue Agency's 2015 tax guide.

Tax deadline:

April 30, 2016.