Which Element Is Most Abundant in the Sun?

💡 The Answer

• Hydrogen is the most abundant element, making up about 71% of the Sun's mass and 92% of its atoms.
• Helium is second, accounting for roughly 27% of the mass and 8% of the atoms.
• All other elements combined contribute less than 2% of the Sun's mass.
• This composition is a legacy of the Big Bang and subsequent stellar enrichment.