Which is the most abundant metal in the Earth’s crust?

Aluminium
Aluminum is the most abundant metal in the Earth’s crust, and the third most abundant element therein, after oxygen and silicon. It makes up about 8% by weight of the Earth’s solid surface. Earth’s crust occupies less than 1% of Earth’s volume. Oxygen is 46.6% , Silicon 27.77%, Aluminum is 8.09% and Iron is 5% . Next comes calcium which is 3.6 % followed by Sodium, Potassium, Magnesium and others.