Which constellation has the smallest population?

Leo has the least number. In western astrology, constellation 12 is synonymous with the orientation of the universe. When a person is born, the position of each constellation on the ecliptic shows a person's innate character and talent. Zodiac 12 symbolizes the psychological level and reflects a person's behavior. So the ecliptic is divided into 12 constellation, which is called 12 constellation. Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces.

The twelve constellations, or zodiac signs, are astrologically described areas where the sun passes through the zodiac on the celestial sphere, including Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces. Ophiuchus also passes through the zodiac, but it does not belong to the zodiac used in astrology. In astrology, the definition of the zodiac only refers to the zodiac. After the International Astronomical Union standardized the constellation boundary in 1928, there were 13 constellations on the ecliptic.