The age amount credit shows up on schedule 1 of the return. This credit phases out with high income. The higher the income the less likely you are to claim the credit. See the link from CRA web site: http://www.cra-arc.gc.ca/tx/ndvdls/tpcs/ncm-tx/rtrn/cmpltng/ddctns/lns300-350/301/menu-eng.html
