Australia’s taxation system places a comparatively heavy burden on individuals and businesses, with rates on income and capital gains among the highest internationally, experts say. Recent changes to the capital gains tax (CGT) regime have intensified concerns about the country’s tax competitiveness.

Rachel Waterhouse, CEO of the Australian Shareholders’ Association, describes the combined impact of high income and capital gains taxes as a "double whammy" that hampers wealth accumulation, particularly for younger investors. She noted that the shift from a 50 percent CGT discount to a model incorporating indexation and a minimum tax rate of 30 percent has made saving through exchange-traded funds (ETFs) or shares less attractive compared to other nations.

Australia’s top marginal capital gains tax rate can reach 47 percent, significantly exceeding the rates in many developed countries. For instance, Sweden and France tax capital gains at around 30 percent, while the United Kingdom and the United States have rates of 24 percent and 20 percent, respectively. Some neighboring countries, including Singapore and New Zealand, do not impose a capital gains tax.

In addition to capital gains, Australia’s maximum effective income tax rate stands at 47 percent, which includes a 2 percent Medicare levy. This rate surpasses those in France and the UK, where top rates are around 45 percent, as well as New Zealand at 39 percent and the United States at 37 percent.

Corporate tax rates in Australia also rank on the higher side, set at 30 percent. This contrasts with France’s rate of 25 percent and reflects one of the country’s highest business tax burdens. Consumption taxes show more variation, with Australia’s goods and services tax (GST) at 10 percent. This rate is lower than Sweden’s 25 percent and New Zealand’s 15 percent, but higher than Singapore’s 9 percent and Canada’s 5 percent.

The overall picture depicts Australia as having substantial tax rates across multiple categories, a factor that may influence investment decisions and economic behavior. As policymakers continue to assess tax policy, the balance between revenue collection and encouraging savings and investment remains a pivotal consideration.