The TJN accepted the UK had made progress closer to home, having introduced a register of beneficial ownership for domestic companies.
TJN said the increase was driven by "a huge rise in their share of the market in offshore financial services" with no comparable reduction in levels of secrecy.
The prevalence of Overseas Banking Units (OBU), offshore structures with little oversight and lots of secrecy used to house and move money, helped jumpstart Taiwan's participation in overseas business operations in the early 1990s, according to TJN.
The TJN estimates that US$21-32 trillion of the world's private wealth is situated in what they call secrecy jurisdictions, a term similar in meaning to tax havens.
The TJN argues that ideally the design and creation of such international tax rules must have been delegated to another international body, namely, the UN, particularly its Committee of Experts on International Cooperation in Tax Matters (the UN Committee on Taxation), which has legitimacy to do this mandate.
Given these competing considerations, at the moment, it appears not viable to reverse course as much as the TJN suggests.
Although the UK ranks only in 21st place, TJN
says it would have come first if the entire network of British-supported and controlled tax havens around the world - from the Caymans and Bermuda to Jersey and Gibraltar - had been included in the analysis.
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is an organisation of economists and financial professionals formed to promote transparency in international finance and to oppose secrecy.
Our most important asset is our people," says Toby, who notes that the company or its partnership facilities (known as TJN
Enterprises) have a half-dozen father-son combinations working with them.
report says that, as of the end of 2010, at least US$21 trillion in unreported wealth was hidden in tax havens, an amount equal to the GDP of the US and Japan together.
A second study, also commissioned by the TJN
, showed that by not taking these assets in offshore banks and the income they produce into consideration, all studies on economic inequality fail to present the correct picture.