Your Constitution score increases by 2 and your Strength and Wisdom scores increase by 1. However your Dexterity score decreases by 2.

Zombies do not age, instead they rot. It varies between undead, but a humanoid corpse will fully decay between 3-4 years after reanimation. This process can be slowed, cold temperatures and dry climates will grant a slower decay, whereas heat and humidity will accelerate the rotting.

Sapient zombies retain a level of morality akin to that of when they were alive, it could be any but the majority of aware undead tend towards chaotic alignments.

Humanoid zombies height is dependant on the race they had in life, but death has somewhat warped your size. Your size is Medium.

Your base walking speed is 25 feet.

Your vision passes slightly into the realm of the dead, darkness has less effect on your vision. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of blue.

Your mind is not what it used to be, neither are your sensory faculties. You have disadvantage on Wisdom (perception) ability checks and Intelligence (history) checks.

You do not need to eat, drink, breath or sleep. A long rest for you requires at least 4 hours of motionless inactivity.

If damage reduces you to 0 hit points, you can make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, you drop to 1 hit point instead.

You can speak, read, and write Common and one other language you knew in life.