Coming soon unless we act now.

It is now well known that with a combined federal and state corporate tax rate of 39.2 percent, the U.S. has the second-highest overall rate among OECD nations. Only Japan, with a combined rate of 39.5 percent, levies a higher rate.

snip

On January 1, 2011, Canada's national corporate tax rate was reduced from 18 percent to 16.5 percent, which gives the country an overall rate of 28 percent. On April 1, both Japan and the United Kingdom are scheduled to lower their rates as well. Japan is planning to reduce its national rate by 4.5 percentage points, which will bring its overall rate to below 35 percent. The U.K. rate will fall from 28 percent to 27 percent as a first step of a multi-year plan to lower the British rate to 24 percent by 2014.
After the scheduled rate cuts in Japan and Great Britain take effect, the simple average of non-U.S. OECD nations will drop to about 25 percent and the weighted average will hit 29 percent. This will leave the U.S. rate a full 10 percentage points higher than the weighted average of our major economic competitors.

Countdown to #1 article from The Tax Foundation has the details.

Pretty hard for US companies to compete with lopsided taxes. Interesting how Canada has lowered their corporate taxes and are just about back to employment levels prior to the crash. You would think the administration would see the light. But, Obama dismissed Canada's call for less stimulus money being spent in the US so there might not be any hope he figures it out.

For state/country comparisons go here and weep.