World Cup | 2011 | FIFA World Cup | World Trade Center | World Series | 2011 ATP Challenger Tour | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | BBC World Service | ATP World Tour 250 series | World Heritage Site | World Boxing Association | World Boxing Council | 2006 FIFA World Cup | World Wide Web | As the World Turns | World Trade Organization | The Championships, Wimbledon | ATP World Tour 250 Series | World Rally Championship | World Intellectual Property Organization | World Economic Forum | Western world | Miss World | Rugby World Cup |
In her final event prior to the 2011 World Championships in Tokyo, Dementyeva competed in the 7th Dinamo International in Penza.
Qualification was based on the results of the 2011 World Rhythmic Gymnastics Championships held in Montpellier, France, from 19–25 September; the 2011 World Artistic Gymnastics Championships in Tokyo, Japan, from 7–16 October; the 2011 Trampoline World Championships in Birmingham, United Kingdom, from 17–20 November; and Olympic test events held in January 2012 at the North Greenwich Arena.