The construction of the CWB is then described and compared to the other indices in terms of the dimensions of well-being included, the sources of data used, and the weighting and calculation of the index. [...] The First Nations Community Well-Being Index (CWB): A Conceptual Review 7 composite indicators, including the key dimensions of well-being to be included, the sources of data and their availability and comparability over time, the sensitivity of the indicators to change, and the weights and scaling assigned to the components in the index calculations. [...] The greater the number of measures, the greater the likelihood that the key definitions or methodologies in the collections of some of these data will change over time. [...] One of the criticisms of the Human Development Index has been that the inclusion of education and knowledge added little over the use of GDP per capita, because of the high correlations among the indicators of the three dimensions (McGillivray, 1991). [...] The First Nations Community Well-Being Index (CWB): A Conceptual Review 13 This is the approach taken in the Human Development Reports, in which the UNDP presents not only the three-component HDI, but a variety of other indicators, reflecting the complexity of the concept of well-being.