How are the different stats in the demographics determined?
On the demographics screen, there are variety of different categories, including land area, crop yield, life expectancy, and others. Here’s what they all represent (thanks to Robi D for his article on demographics):Gross National Product (GNP): The amount of total commerce brought in from cities, specialists, and trade routes minus your expenses including civic costs, city maintenance, and unit costs). Manufactured Goods: Total amount of production from your cities, including the bonuses from improvements such as forges. Crop Yield: Total amount of food brought in by cities per turn. Soldiers: This is not just how many units you have! There are many variables that contribute to this, including population of your empire, technologies, improvements/wonders, and your units and their type (a tank is “more” soldiers than a warrior). Land Area: Amount of land tiles inside your borders multiplied by 1000. Population: The total population of each city added together (1 population point equals
