The individual-level working poverty rate calculates the percentage of all workers whose incomes fall below the poverty threshold.

A poverty threshold relies on a quantitative, or purely numbers-based, measure of income.

In several countries, those living below the dollar-per-day poverty threshold declined.

Many households rise above or fall below the poverty threshold, depending on the employment status of household members.

For a family of four in 2010, the extreme poverty threshold was approximately $11,000, or less than $3,000 per person.