How old was Napoleon Bonaparte when they were defeated at the Battle of Waterloo?

Napoleon Bonaparte, later known by his regnal name Napoleon I, was Emperor of the French from 18 May 1804 until his first abdication in 1814, with a brief restoration during the Hundred Days in 1815. He rose to prominence as a general during the French Revolution and led a series of military campaigns across Europe and the Middle East during the French Revolutionary and Napoleonic Wars. As a statesman, he implemented numerous legal and administrative reforms in France and Europe.