A recent study conducted by Lagos-based consultancy W Hospitality Group has revealed that hotel development in Sub-Saharan Africa by international hoteliers has leapt forward, with a massive 42 per cent increase in pipeline rooms. W Hospitality estimates that the hotel chains polled in its recent survey currently have almost 99,000 rooms operating in Africa, with around 44,300 in North Africa and 54,600 in sub-Saharan Africa.