Largest exercise demonstration / class (multiple venues)

On 27 September 2003 in Kazakhstan a total of 4,845,098 people across the country took part in the largest ever simultaneous aerobics display in an attempt, supported by Kazakhstan's Presidential administration, to promote a healthy lifestyle. The participants amounted to approximately 30% of the total population. All participants followed the same routine, the music for which was broadcast by Kazakh radio across the country.