If you have Eligible Pension Income that you are able to split, you can regardless of either of your incomes. There may be disadvantages and you might want to see if there is an "optimal split". Often times transferring a small amount to one spouse gives them an extra Non-Refundable Credit with the Pension Income Amount and is beneficial in that way.
Here are a few disadvantages of splitting that pension income: https://turbotax.community.intuit.ca/replies/2647668
