The Asia Pacific (AP) region is one of many complexities for regional firms and for those entering the market from outside the region. Understanding language requirements is one of the many challenges that sourcing teams face when designing their specs for the Asia Pacific rollout of new and existing applications. While a considerable number of AP companies may prefer English, when the data is examined at a country-by-country level it is clear that sourcing teams will need to take a country-by-country approach to this particular challenge.