What pension income can be split?
CRA has complete information about what pension income can be split.
For age 65 and plus, here is the link
http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ncm-tx/rtrn/cmpltng/ddctns/lns300-350/314/q4-eng.html
For age 65 less, check this link
http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ncm-tx/rtrn/cmpltng/ddctns/lns300-350/314/q6-eng.html
For all details,
http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/pnsn-splt/qlfy-eng.html