The pie chart is headlined, "Look closely at this chart of federal spending." It says spending on the "military" accounts for 57 percent of the federal dollar, with other categories ranging from 1 ...

Arrow charts and slope charts are alternatives to multiple pie charts when the data consist of the values or the percentage breakdown of several categories for two time periods.

Another good example of a useful pie chart comes from the Center on Budget and Policy Priorities, which is trying to show that we don’t have an “entitlement society” in which able-bodied ...