* Social security: The Australian federal government provides a range of social security payments, including pensions, benefits and allowances, to support people in need.
* Health care: The Australian federal government provides public health care through the Medicare program, which covers the costs of hospital and medical services.
* Education: The Australian federal government provides funding for public schools and universities, and also offers a range of student loans and scholarships.
* Transport: The Australian federal government provides funding for roads, railways and airports, and also regulates transport safety.
* Communications: The Australian federal government regulates the telecommunications and postal sectors, and also provides funding for the national broadcaster, the Australian Broadcasting Corporation (ABC).
* Defence: The Australian federal government is responsible for the defence of Australia, and maintains the Australian Defence Force (ADF).
* Foreign affairs: The Australian federal government represents Australia on the international stage, and conducts diplomatic relations with other countries.
* Trade and investment: The Australian federal government promotes trade and investment in Australia, and negotiates trade agreements with other countries.
* Immigration and citizenship: The Australian federal government regulates immigration and citizenship in Australia, and sets visa requirements for visitors and permanent residents.
* Environmental protection: The Australian federal government is responsible for protecting the environment, and implements a range of policies and regulations to reduce pollution and protect natural resources.