There are many ways to try to understand consumers or your target market. One of them is to explore consumer spending data that covers how much money consumers spend on average on various goods and services. Another is to see how much time users spend doing certain tasks.
United States
In the US, there are two large data collection programs that aim to find out how American's spend their time and money.
American Time Use Survey. From the Bureau of Labor Statistics, a variety of data and reports on how much time American's spend doing certain tasks.
Social Explorer. Go to Tables > Market Profile Data and select the current year. Select geographies and then chose data variables, including consumer spending by broad category.
Global
Passport. Passport contains a variety of market size and share data on consumer products that is used to create reports on consumer trends. Search Tip: In the top navigation bar, go to Consumers > Income & Expenditure. Scroll down to search for statistics or get country reports.
OECD Time Use Data. High level data about how people spend their time in countries around the world. More detailed data for individual countries may be available elsewhere.