| S/N | Variable | Definition | Measurement | Source |
| 1 | Real GDP Growth rate | Annual Percentage change in Real GDP | Percentage | CBN |
| 2 | External Debt Service | Total debt service on external debt | Billions in Dollars | World Bank |
| 3 | External Debt Stock | External Debt | Billions in Dollars | CBN |
| 4 | External debt service to Revenue | Percentage debt service to exports | Percentage | World Bank |
| 5 | EXRS represents external reserve to debt ratio | Total reserves expressed in percentage of total external debt | Percentage | World Bank |
| 5 | Budget Deficit | Government Revenue less Government Expenditure | Billions in Naira | CBN |
| 6 | Population Growth | Annual percentage Growth | Percentage | World Bank |
| 7 | GFCR | Annual percentage growth | Percentage | World Bank |