Sushi rice is known as more sticky than the rice that is eaten in western countries. Sushi rice is different to other rice in Asian countries.
There are 3 rice groups.
The grain of this rice is similar to sushi rice, as it is quite short, but it is not as sticky as Japonica sushi rice so it isn't suitable for making sushi but perfect for making risotto and paella.
80% of the rice that is eaten in the world belongs to this rice group. Thai jasmine rice, basmati rice. grains are shin and long, not sticky at all. They are best for curry, like pilau rice, and fried rice.
The difference is how much starch is contained. That affects the stickiness of the rice. It is easy to determine which rice is which by looking at the length of the grain.
Photo credit: gohan.life
So when you make sushi, make sure you get the right kind of rice and enjoy making sushi!