JOHANNESBURG, 20 FEB – South Africa remains the leading emerging economy in Africa and it is also considered among the top 15 worldwide. According to Grant Thorton, the international advisory firm that conducted the analysis, investments in the country continue despite the events in the mining sector which led to the closure of some mining plants. Economic size, population, growth prospects and levels of development are the indicators that Grant Thornton considered in its analysis as important to attract investors.