8 Popular Post-Retirement Jobs

A growing trend shows that many Americans are taking on new jobs after their "official" retirement. For the most part, it's because they need the extra cash - but some retirees are simply bored. Whatever the reason, an increasing number of seniors are clocking in and bringing home the bacon for many years after retirement.

According to the U.S. Department of Labor, the number of employed Americans between the ages of 65 and 90 has mushroomed in recent years. As a matter of fact, 6.4% of Americans aged 75 or older (more than one million seniors) were still working in 2006. That was up from 4.7% just 10 years earlier.

So, what exactly are these retirees doing to earn some extra income? Here are eight of the most popular post-retirement jobs.

Consultant

 If you were an expert in your field during your working years, why not sell that expertise to other companies after you retire? As countless retirees are realizing that their hard-earned skills and knowledge are highly marketable, many of them are jumping into the consulting business.

Read the rest of the list here at Investopedia.com.