An international watchdog says war-ravaged Somalia remains the world's most corrupt country, followed by Afghanistan, Myanmar, Sudan and Iraq. The annual report of Transparency International shows that Singapore, Denmark and New Zealand are the most principled countries around the globe. It attributed this strong performance to the "political stability, long-established conflict of interest regulations and solid, functioning public institutions" in these nations. The ranking released Tuesday measures perceived levels of public sector corruption in 180 countries and draws on surveys of businesses and experts. Pakistan has been placed 42nd in the list.