As a result of revisions in ppp exchange rates, poverty rates for individual countries cannot be compared with poverty rates reported in earlier editions. [11] national poverty headcount ratio is …See the 2025/2026 rankings of countries with the highest poverty rates and the impact on millions of lives around the world today.Comprehensive overview of the poverty rate by country measured as the percentage of the population living below the national poverty line, including what is number one country in poverty.