Jan 24: With Prime Minister Manmohan Singh latest off the block, some 70 world leaders are now on Twitter for better engaging with their citizens.

According to Digital Policy Council, a US-based think tank on governance, 69 world leaders had Twitter accounts set up in their personal name or through their offices by end-2011. 

The world leaders on Twitter include:

* US President @BarackObama 

* Venezuela President Hugo Chávez @chavezcandanga 

* British Prime Minister David Cameron @Number10gov 

* Mexican President @FelipeCalderon 

* Brazilian President Dilma Rouseff @dilmabr

* Argentinean President Cristina Fernández @CFKArgentina

* Chilean President @Sebastiánpinera

* Filipino President Benigno Aquino III @GovPH_PCOO

* Turkish President Abdullah Gül @Plaid_Gul

* UAE Prime Minister Sheikh Mohammed @HHShkMohd