In the isthmus the country with the most financial secrecy is Panama (14 in the list of "opaque jurisdictions"), followed by Costa Rica (41) and Guatemala (42).
Globally Switzerland is top of the list followed by the Cayman Islands, Luxembourg and Hong Kong, all ahead of the U.S. which is in 5th place.
Every year governments around the world lose around 250 billion dollars in taxes, as a consequence of the rich keeping their assets in tax havens.