Low-, middle-income country in which three of the four key ratios fall in the following ranges: debt to GNP (30-50 percent), debt to exports of goods and all services (165-275 percent), accrued debt service to exports (18-30 percent) and accrued interest to exports (12-20 per cent). Used in the World Bank's World Debt Tables. See severely indebted low-income, middle-income country.