PCA PMESII data elements
| Arable land | Fresh water per capita |
| Birth Rate | Trade (% GDP) |
| Death Rate | Unemployment |
| Fertility Rate | Polity IV |
| GDP Per Capita | Government Type |
| Improved Water | Caloric Intake |
| Life Expectancy | Freedom Score |
| Military Expend (% Gov Spending) | 2 Yr Freedom Trend |
| Military Expend (% GDP) | 3 Yr Freedom Trend |
| Infant Mortality rate | 5 Yr Freedom Trend |
| Youth Bulge | Regime Type |
| Population density | Ethnic Diversity |
| Population Growth | Religious Diversity |
| Refugee (Asylum) | Border Conflict Score |
| Refugee (Origin) | 2 Yr Conflict Intensity Trend |
| Arable land | Fresh water per capita |
| Birth Rate | Trade (% GDP) |
| Death Rate | Unemployment |
| Fertility Rate | Polity IV |
| GDP Per Capita | Government Type |
| Improved Water | Caloric Intake |
| Life Expectancy | Freedom Score |
| Military Expend (% Gov Spending) | 2 Yr Freedom Trend |
| Military Expend (% GDP) | 3 Yr Freedom Trend |
| Infant Mortality rate | 5 Yr Freedom Trend |
| Youth Bulge | Regime Type |
| Population density | Ethnic Diversity |
| Population Growth | Religious Diversity |
| Refugee (Asylum) | Border Conflict Score |
| Refugee (Origin) | 2 Yr Conflict Intensity Trend |
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