!!!Did you know this about Eritrea? Did you know that Eritrea is very low in ranking among 193 countries in the following 6 respects. #Heliports - : 1.0 (Rank 101). #Education expenditures - % of GDP: 2.1 (Rank 156). #Health expenditures - % of GDP: 2.6 (Rank 182). #Obesity - adult prevalence rate - %: 1.5 (Rank 185). #Electricity - consumption per capita - KWh: 39.73 (Rank 179). #Telephones - mobile cellular per capita - : 0.05 (Rank 192).