The Westpac Consumer Sentiment Index measures the change in the level of consumer confidence in economic activity. On the index, a level above 100.0 indicates optimism; below indicates pessimism. The data is compiled from a survey of about 1,200 consumers which asks respondents to rate the relative level of past and future economic conditions. Consumer Opinion Surveys: Consumer Prices: Future Tendency of Inflation: European Commission and National Indicators for Australia Net Percent, Monthly, Seasonally Adjusted Jan 1995 to Dec 2019 (Jan 29) In addition, the Australian consumer increasingly craves personalized interactions and offers from retailers, but is also concerned about data privacy and protection. Since personal data is required for effective personalization, businesses must carefully consider how they collect and use data, and how they communicate this to customers.