Annan said the council's work "must mark a clean break from the past."
The now defunct UN Human Rights Commission had been discredited because some countries with poor rights records used their position on the commission to protect each other from condemnation.
The 47 members of the new Human Rights Council had to win election by a majority in the UN General Assembly.
Some countries whose rights records have been criticized -- including Azerbaijan, China, Pakistan, Russia, Cuba, and Saudi Arabia -- were among those who won seats.
(AP, Reuters)