* Saturn's orbital period: Saturn takes approximately 29.46 years to orbit the Sun.

* Planets with shorter orbital periods than Saturn:

* Mercury: 88 days

* Venus: 225 days

* Earth: 365.25 days

* Mars: 687 days

* Jupiter: 11.86 years

* Uranus: 84 years

* Neptune: 165 years

Therefore, all the planets in our solar system closer to the Sun than Saturn take less time to complete an orbit.