BBC correspondents the world over weigh in on what will be expected from the new leader. Time.com has a wonderful gallery of worldwide Obama celebrations. And here's a summation of reaction from the world's leaders on Al Jazeera's website.
China's reaction, as the Wall Street Journal's China Journal usefully sums it up, is complicated. The Communist Party offered a congratulatory message to the president-elect, and its official daily newspaper contained a headline that read, "World hopes for a 'less arrogant' America."
Menassat rounds up press reactions from Middle Eastern news stories here.
Here's an Al Jazeera video report on celebrations in Indonesia, where Mr. Obama lived for a time as a child.
And Kenya, especially Obama relatives there, celebrated by declaring today a public holiday.