!!!Did you know this about Sierra Leone? Did you know that Sierra Leone is among the top 10 of the 193 UN countries in the following 4 respects. #Industrial production growth rate - %: 42.0 (Rank 1). #Health expenditures - % of GDP: 18.8 (Rank 2). #Maternal mortality rate - deaths/100,000 live births: 890.0 (Rank 5). #Ethnic groups: 12.0 (Rank 7).