At 4%, the household savings rate has jumped sharply from its low of near zero, but it is still far below its post-war average of 7%.

ECONOMIST: The world economy

In America overall credit growth will slow to below 1%, down from a post-war annual average of 9%.

ECONOMIST: When fortune frowned | The

It would hold tax receipts to their post-World War II average of between 18% to 19% as a share of the economy.

WSJ: Review & Outlook: Paul Ryan and His Critics

But Bush held office for eight years, and economic growth over that time averaged only 2%, a point and a half lower than the post-World War II average.

FORBES: Market Movers -- Man Or Tide?

It is actually near the post-World War II average.

FORBES: The Case For Muddling Through

During the post World War II Bretton Woods gold standard, the U.S. economy also grew on average 4% a year.

FORBES: The Budget Stalemate Shows The Need For Monetary Reform