The countdown to the ICC World Twenty20 is on after all 12 countries named their squads.

Johannesburg, Durban and Cape Town will be the venues for the inaugural event, which runs from September 11-24.

The nine Test nations, along with Zimbabwe and associate sides Scotland and Kenya, will compete for the honour of being crown the first world champions in the shortest form of the game.

Squad lists

Australia: Ricky Ponting (captain), Nathan Bracken, Stuart Clark, Michael Clarke, Adam Gilchrist, Brad Haddin, Matthew Hayden, Ben Hilfenhaus, Brad Hodge, Bradley Hogg, Michael Hussey, Mitchell Johnson, Brett Lee, Andrew Symonds, Shane Watson.

Hilfenhaus was called up as a replacement for the injured Shaun Tait.

Bangladesh: Mohammad Ashraful (captain), Aftab Ahmed, Nadif Chowdhury, Shakib Hasan, Tamim Iqbal, Alok Kopali, Mashrafe Mortaza, Mushfiqur Rahim, Ziaur Rahman, Syed Rasel, Abdur Razzak, Farhad Reza, Zunaed Siddique, Nazim Uddin, Mahmud Ullah.

England: Paul Collingwood (captain), James Anderson, Stuart Broad, Andrew Flintoff, James Kirtley, Darren Maddy, Dimitri Mascarenhas, Kevin Pietersen, Matt Prior, Chris Schofield, Owais Shah, Jeremy Snape, Vikram Solanki, Chris Tremlett, Luke Wright.

Anderson was called up as a replacement for the injured Ravi Bopara, while Mascarenhas took Ryan Sidebottom's place.

India: Mahendra Singh Dhoni (captain), Ajit Agarkar, Piyush Chawla, Gautam Gambhir, Dinesh Karthik, Irfan Pathan, Yusuf Pathan, Virender Sehwag, Joginder Sharma, Harbhajan Singh, Rohit Sharma, RP Singh, Yuvraj Singh, Sri Sreesanth, Robin Uthappa.

Kenya: Steve Tikolo (captain), Rajesh Bhudiya, Jimmy Kamande, Tanmay Mishra, Lameck Ngoche, Nehemiah Ngoche, Alex Obanda, Collins Obuya, David Obuya, Thomas Odoyo, Peter Ongondo, Elijah Otieno, Morris Ouma, Ondik Suji, Hiren Varaiya.

New Zealand: Daniel Vettori (captain), Shane Bond, Peter Fulton, Mark Gillespie, Gareth Hopkins, Chris Martin, Craig McMillan, Brendon McCullum, Nathan McCullum, Jacob Oram, Jeetan Patel, Bradley Scott, Scott Styris, Ross Taylor, Lou Vincent.

Pakistan: Shoaib Malik (captain), Shahid Afridi, Kamran Akmal, Fawad Alam, Yasir Arafat, Mohammad Asif, Salman Butt, Umar Gul, Mohammad Hafeez, Misbah-ul-Haq, Rao Iftikhar, Younis Khan, Imran Nazir, Abdul Rehman, Sohail Tanvir.

Sohail replaced Shoaib Akhtar, who was sent home for disciplinary reasons.

Scotland: Ryan Watson (captain), Fraser Watts, Dougie Brown, John Blain, Gavin Hamilton, Navdeep Poonia, Gregor Maiden, Neil McCallum, Qasim Sheikh, Colin Smith, Craig Wright, Dewald Nel, Gordon Drummond, Ross Lyons, Majid Haq.

South Africa: Graeme Smith (captain), Gulam Bodi, Mark Boucher, AB de Villiers, JP Duminy, Herschelle Gibbs, Justin Kemp, Albie Morkel, Morne Morkel, Andre Nel, Makhaya Ntini, Vernon Philander, Shaun Pollock, Thandi Tshabalala, Johan van der Wath.

Nel was called up as a replacement for the injured Loots Bosman.

Sri Lanka: Mahela Jayawardene (captain), Dilhara Fernando, Hasantha Fernando, Sanath Jayasuriya, Kaushal Lokuarachchi, Farveez Maharoof, Lasith Malinga, Jehan Mubarak, Dilruwan Perera, Kumara Sangakkara, Chamara Silva, Upul Tharanga, Tillakaratne Dilshan, Chaminda Vaas, Gayan Wijekoon.

Perera was called up as a replacement for the injured Muttiah Muralitharan.

West Indies: Ramnaresh Sarwan (captain), Dwayne Bravo, Shivnarine Chanderpaul, Pedro Collins, Narsingh Deonarine, Fidel Edwards, Chris Gayle, Runako Morton, Daren Powell, Denesh Ramdin, Ravi Rampaul, Darren Sammy, Marlon Samuels, Devon Smith, Dwayne Smith.

Zimbabwe: Prosper Utseya (captain), Gary Brent, Justice Chibhabha, Elton Chigumbura, Keith Dabengwa, Tymsen Maruma, Hamilton Masakadza, Stuart Matsikenyeri, Johnson Marumisa, Christopher Mpofu, Tawanda Mupariwa, Vusimusi Sibanda, Tatenda Taibu, Brendon Taylor, Shaun Williams.