The census data from 2021 is easy to search.
Simply choose Quick Stats or Community Profiles and type in the postcode or the name of the suburb you are looking for. eg. Milton or 4064.
To look at data from previous years, use the drop down box to change the census year.
Business Source Complete has a number of different country reports available from organisations such as Country Watch, Business Monitor, EIU, and Marketline.
To find these, go to 'Advanced Search', and browse the indexes by country report.
The Organisation for Economic Co-operation and Development (OECD) has a wealth of statistical information on a huge range of topics:
Alternatively, browse statistics by country.
The UN collects statistical information from member states on a broad range of topics:
United States Census Bureau - Aims to serve as the leading source of quality data about the US people and economy.