According to a global public opinion survey, most people in the world believe corruption has increased in the last two years.

In Mexico, social media outlets such as Twitter have sprung up as tools used by the public to battle public corruption.

Russian legal specialist Sergei Magnitsky is due to be tried tomorrow for tax offenses, even though he died in prison more than 3 years ago. Critics of Russian business practices say he was killed to cover up corruption by officials.

When it comes to public sector corruption, which of the BRIC countries — Brazil, Russia, India, and China — ranks the best and the worst?

Half of all Afghans have bribed public officials in the last year and the amounts are growing, according to a report from the UN.

A bribery scandal in Spain is threatening the government of Prime Minister Mariano Rajoy at a time of austerity and high unemployment.

The Chinese Communist Party will hand over power to China's next leader during its party congress this week.

Some businesspeople in Russia say corrupt courts make them vulnerable to the whims of corrupt officials and rivals who want to take their businesses.

Corruption watchdog group Transparency International released a report today admonishing big business to do more to crack down on corruption. The report slams companies from China and Russia along with American financial services corporations.

Marketplace's Alisa Roth is in the Middle East covering the political unrest in Egypt and the surrounding countries. Roth spoke with Jeremy Hobson…