Well, there are eight planets in the solar system starting with Mercury, then Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Pluto. As per the International Astronomical Union Pluto was reduced to dwarf planet status. Pluto is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It was the first and the largest Kuiper belt object to be discovered. After Pluto was discovered in 1930, it was declared to be the ninth planet from the Sun.
Currently, there are six dwarf planets officially designated by the IAU: Pluto, Ceres, Eris, Makemake, Haumea, and 2015 RR245.
Mercury, Venus, Earth and Mars are the rocky planets nearer to the Sun, and Saturn, Jupiter, Neptune, and Uranus are the gas giants.