!!!Did you know this about Cuba? Did you know that Cuba is among the top 10 of the 193 UN countries in the following 6 respects. #Education expenditures - % of GDP: 12.8 (Rank 2). #Physicians density - physicians/1,000 population: 6.72 (Rank 2). #Literacy - %: 99.8 (Rank 7). #Female literacy - %: 99.8 (Rank 7). #Male literacy - %: 99.8 (Rank 9). #Age Structure: 25-54 years - %: 47.1 (Rank 10).