!!!Did you know this about Marshall Islands? Did you know that Marshall Islands is among the top 10 of the 193 UN countries in the following 4 respects. #Permanent Crop - %: 44.44 (Rank 2). #Education expenditures - % of GDP: 12.2 (Rank 3). #Health expenditures - % of GDP: 16.5 (Rank 5). #Obesity - adult prevalence rate - %: 45.4 (Rank 6).