Approval Rating % Ratio of happy to unhappy people
Population
GNP million $ Based on trade and tax/luxury rates
Manufactured goods Mtons Total number of shields (including unit support)
Land Area sq. miles Number of squares that your units have been the last to move through
Literacy % Based on number of Libraries, Universities, Research Labs; discovery of Writing, Literacy; science rate
Disease % Based on number of Aqueducts, Sewer Systems; discovery of Medicine, Sanitation
Pollution tons Total number of "smoke stacks" times 10
Life Expectancy years
Family size children Based on average food surplus
Military Service years Number of military units in relation to population
Annual Income $ per capita
Productivity Shields (minus support) per square in use (?)
Summary: you probably have a negative food surplus. Which is impressive (in a bad way
) because it averages all your cities.