7 drivers so far announced for F1 2014, leaving 15 seats still to be officially confirmed...

Confirmed 2014 F1 drivers:

Sebastian Vettel Germany Red Bull-Renault
(Confirmed until the end of 2015) Daniel Ricciardo Australia Red Bull-Renault
(Signed multi-year deal in September 2013, contract length not officially announced, but believed to be for 'at least' three years).

Fernando Alonso Spain Ferrari-Ferrari
(Contract runs until the end of 2016, but no doubt with clauses). Kimi Raikkonen Finland Lotus-Renault
(Signed two year deal in September 2013)

Lewis Hamilton Britain Mercedes-Mercedes
(Deal expires at end of 2015) Nico Rosberg Germany Mercedes-Mercedes
(Signed 'multi-year deal' in November 2011)

Jules Bianchi France Marussia-Cosworth
(Signed deal for 2014, contract length not announced)

Still to be confirmed / Likely candidates for remaining seats...

Jenson Button Britain McLaren-Mercedes
(Signed 'multi-year deal' in October 2011. Confirmation believed to be a formality) Sergio Perez Mexico McLaren-Mercedes
(Signed 'multi-year deal' in October 2012. Confirmation less certain, if F1 rumour mill is to be believed)

Romain Grosjean French Lotus-Renault
(Signed deal for 2013, contract length not announced. Expected to be retained...) Felipe Massa Brazil Lotus-Renault / Sauber-Ferrari
(Rumoured to be on his way to Lotus or possibly Sauber) Nico Hulkenberg Germany Lotus-Renault
(Rumoured to be in the frame for the seat vacated by Kimi Raikkonen)

Sergey Sirotkin Russia Sauber-Ferrari
(Will drive for Sauber in 2014, subject to securing a super licence...) Esteban Gutierrez Mexico Sauber-Ferrari
(Signed deal for 2013, contract length not announced) Vitaly Petrov Russia Sauber-Ferrari
(Rumoured to be in frame due to the arrival of Russian backers at the Swiss team...) Rubens Barrichello Brazil Sauber-Ferrari
(Wild rumours suggest he could be in line for a comeback...)

Paul di Resta Britain Force India-Mercedes
(Signed deal for 2013, believed to be a one-year contract) Adrian Sutil Germany Force India-Mercedes
(Signed deal for 2013, believed to be a one-year contract)

Pastor Maldonado Venezuela Williams-Renault
(Signed deal for 2013, contract length not announced. Expected to remain at Williams for 2014) Valtteri Bottas Finland Williams-Renault
(Signed deal for 2013, contract length not announced)

Jean-Eric Vergne France Toro Rosso-Ferrari
(Signed deal for 2013, contract length not announced) Antonio Felix da Costa Portugal Toro Rosso-Ferrari
(Under consideration to replace Daniel Ricciardo) Daniil Kvyat Russia Toro Rosso-Ferrari
(Under consideration to replace Daniel Ricciardo) Carlos Sainz jr Spain Toro Rosso-Ferrari
(Under consideration to replace Daniel Ricciardo)

Charles Pic France Caterham-Renault
(Signed 'multi-year deal' in November 2012) Giedo van der Garde Netherlands Caterham-Renault
(Signed deal for 2013, contract length not announced)

Max Chilton Britain Marussia-Cosworth
(Signed deal for 2013, one-year deal only)

Retirement

Mark Webber Australia Red Bull-Renault
(Heading to sportscars with Porsche).