National Prestige is a gameplay mechanic in Empire: Total War.
National prestige is the aggregate of notable military, economic, and enlightenment achievments a faction has achieved. It can be accessed by clicking on the Objectives & Prestige tab. Only major factions have their national prestige shown. Generally speaking, the higher the prestige a nation has, the more influential and powerful it is. Prestige Victories require that the player's faction to have the highest national prestige of all major factions at the conclusion of the Grand Campaign.