Question

What kind of allusion is carrying the weight of the world on your shoulders

Answer 1

Hello!

It would be a religious allusion, because it's referring to Jesus Christ carrying the cross, where the Bible says He was "carrying the weight (sins) of the world on His shoulders"

Hope this helps you out fam!

~theLocoCoco

Answer 2

it is a metaphor.you don't actually mean that you're holding the weight of the world on your shoulders.