Taxes on earnings, investment income, sales and a few other things have gone up already in many countries, and further increases are possible, including a huge one in the United States.

Another source of unease and doubt for taxpayers is a trend toward increases of other sorts: in scrutiny by revenue authorities, reporting requirements for individuals and businesses, and legislation to close tax code loopholes.

Taxes on earnings, investment income, sales and a few other things have gone up already in many countries, and further increases are possible, including a huge one in the United States.

Another source of unease and doubt for taxpayers is a trend toward increases of other sorts: in scrutiny by revenue authorities, reporting requirements for individuals and businesses, and legislation to close tax code loopholes.