Media playback is unsupported on your device

United Nations launches International Happiness Day

20 March 2013 Last updated at 08:14 GMT

The United Nations has declared 20 March as the first ever International Day of Happiness.

It hopes the initiative will encourage governments to consider the well-being of their citizens, rather than focusing efforts solely on economic growth.

But how happy are people in the UK? BBC Breakfast used a tape measure to find out.