Showing highest marginal income tax rate and income level at which it begins:
10. Ireland, 48.0 percent + social security 4 percent, $43,900
09. Finland, 49.2 percent, $91,000
08. England, 50.0 percent + social security 12 percent, $231,000
07. Japan, 40.0 percent + 10 percent municipal + 5 percent social security, $217,000
06. Belgium, 50.0 percent + social security 13 percent + municipal 11 percent, $46,900
05. Austria, 50.0 percent + social security 18 percent, $80,000
04. Netherlands, 52.0 percent, $74,500
03. Denmark, 55.4 percent, $76,000
02. Sweden, 56.6 percent + social security 7 percent, $81,000
01. Aruba (Netherlands), 58.95 percent, $165,000
The slideshow and commentary at CNBC.com is viewable
here.