Translate the following English sentence to French:
"The statistics presented by the experts are tragic, including the substantial population decline and the dramatic decrease in life expectancy in Africa, which will fall below the age of 45 by the year 2015. In the sub-Saharan area, as many as 10% of the population will be affected by the virus."
Les experts dressent la liste des données tragiques : par exemple, la chute démographique significative, la dramatique diminution de l' espérance de vie en Afrique, qui passera sous la barre des 45 ans d' ici 2015 ; dans la zone sub-saharienne la situation sera telle que 10 % de la population sera atteinte de cette maladie.