Additional file 1: Supplementary Table 1. WEB LOCATIONS FOR DATA SOURCES. Supplementary Table 2. Countries that Changed Democratization Categories During the Observation Period. Supplementary Table 3. Example of An Alternative Categorization Strategy: GNI Growth Rate. Supplementary Table 4. Mean GNI Across All Country Categories. Supplementary Table 5. Pre- vs. Post-Ratification Under 5 Mortality Rates by Country Income and Democracy Status.