Who wins?
Zombie vs Skeleton
Zombie wins 53% to 47%. 27 more put them in the same row. From Minecraft Mobs Tier List. Pick a side.
kev.j77 on Zombie: zombie villagers you can cure are a cool mechanic
grumpy_pickle on Skeleton: bones for bonemeal and the skeleton spawner farms are great
Minecraft Mobs Tier List: the full ranking