You are here:HomeAbout usMethodology Methodology Tourism Research Australia run two major surveys that measure the contribution of tourism and provide input into modelling spend for Australia’s regions. International Visitor Survey (IVS) Methodology Read the International Visitor Survey (IVS) methodology. National Visitor Survey (NVS) Methodology Read the National Visitor Survey (NVS) methodology. Regional Expenditure Methodology Read the Regional Expenditure methodology used to produce a number of our publications. Australian Accommodation Monitor (AAM) Methodology Download the Australian Accommodation Monitor (AAM) methodology. Complementary Data and Tourism Read about potential benefits of complementary data sources and the challenges in using them for the tourism industry.