!!!Did you know this about Zambia? Did you know that Zambia is among the top 10 of the 193 UN countries in the following 5 respects. #Languages: 19.0 (Rank 1). #Ethnic groups: 20.0 (Rank 1). #Birth rate - births/1,000 population: 42.46 (Rank 4). #Age Structure: 0-14 years - %: 46.2 (Rank 5). #Total fertility rate - children born/woman: 5.76 (Rank 7).