A tax haven is a term, often used pejoratively, to describe a place with very low tax rates for non-domiciled investors, even if the official rates may be higher.
In some older definitions, a tax haven also offers financial secrecy. However, while countries with high levels of secrecy but also high rates of taxation, most notably the United States and Germany in the Financial Secrecy Index (FSI) rankings, can be featured in some tax haven lists, they are often omitted from lists for political reasons or through lack of subject matter knowledge. In contrast, countries with lower levels of secrecy but also low "effective" rates of taxation, most notably Ireland in the FSI rankings, appear in most § Tax haven lists. The consensus on effective tax rates has led academics to note that the term "tax haven" and "offshore financial centre" are almost synonymous. In reality, many offshore financial centers do not have harmful tax practices and are at the forefront among financial centers regarding AML practices and international tax reporting.