The paper scrutinizes the macroeconomic performance of Australia and its relation with USA in terms of GDP growth, inflation, unemployment, net export, and exchange rate. The trend analysis of GDP growth and unemployment shows a positive influence of economic growth on labor market performance. A weak Australian dollar helps to maintain a trade surplus while a strong Australian dollar does the reverse. The interest rate charged by Reserve Bank of Australia on overnight loans is called cash rate. The same charged by Federal Reserves on overnight loans to financial institution is called fund rate. The central banks of respective nations use these rates to control and money supply in the economy.