What happens to an element's metallic nature when we move down a group in the periodic table?

An element's metallic nature increases when we move down a group in the periodic table.
As you move down the periodic table, the metallic character increases. This is due to the fact that when the atomic radius grows, electrons become easy to lose since there is less attraction between the nucleus and the valence electrons due to their growing separation from one another. Moving down the group increases the metallic nature because, as the atomic radius grows due to electron shielding, the outer electrons ionize more quickly than electrons in smaller atoms.