Release Dates
| Denmark | 26 August 2010 | |
| Canada | 14 September 2010 | (Toronto International Film Festival) (premiere) |
| Brazil | 24 September 2010 | (Rio de Janeiro International Film Festival) |
| Norway | 24 September 2010 | |
| Sweden | 1 October 2010 | |
| Brazil | 22 October 2010 | (São Paulo International Film Festival) |
| Italy | 30 October 2010 | (Rome International Film Festival) |
| Finland | 5 November 2010 | |
| Spain | 10 November 2010 | (Seville European Film Festival) |
| France | 23 November 2010 | (Pau International Film Festival) |
| Greece | 10 December 2010 | (Thessaloniki International Film Festival) |
| Italy | 10 December 2010 | |
| Lithuania | 17 December 2010 | |
| Australia | 10 January 2011 | (Perth International Arts Festival) |
| USA | 21 January 2011 | (Sundance Film Festival) |
| Hungary | 10 February 2011 | |
| New Zealand | 10 February 2011 | |
| UK | 21 February 2011 | (Glasgow Film Festival) |
| Serbia | 1 March 2011 | (Belgrade Film Festival) |
| USA | 4 March 2011 | (Miami International Film Festival) |
| Brazil | 11 March 2011 | |
| Estonia | 11 March 2011 | |
| UK | 13 March 2011 | (Birds Eye View Film Festival) (premiere) |
| France | 16 March 2011 | |
| Germany | 17 March 2011 | |
| Greece | 24 March 2011 | |
| Thailand | 24 March 2011 | |
| Hong Kong | 31 March 2011 | |
| Israel | 31 March 2011 | |
| Spain | 1 April 2011 | |
| Poland | 1 April 2011 | (Lato Filmów) |
| USA | 1 April 2011 | (limited) |
| Netherlands | 7 April 2011 | |
| Portugal | 7 April 2011 | |
| Belgium | 13 April 2011 | |
| Canada | 15 April 2011 | (limited) |
| Australia | 21 April 2011 | |
| Croatia | 21 April 2011 | |
| Turkey | 22 April 2011 | |
| Russia | 28 April 2011 | |
| Iceland | 29 April 2011 | |
| Singapore | 19 May 2011 | |
| South Korea | 23 June 2011 | |
| Austria | 1 July 2011 | |
| Bolivia | 7 July 2011 | |
| Poland | 8 July 2011 | |
| Argentina | 11 August 2011 | |
| Japan | 13 August 2011 | |
| UK | 19 August 2011 | (limited) |
| Ireland | 19 August 2011 | |
| Uruguay | 7 October 2011 | |
| Netherlands | 2 November 2011 | (Amsterdam Film Week) |
| Mexico | 4 November 2011 | (Muestra Internacional de Cine) |
| Mexico | 22 December 2011 | |
| Venezuela | 23 December 2011 | |
| Peru | 1 March 2012 | |
| Japan | 8 September 2012 | (Aichi International Women's Film Festival) |
| Philippines | 10 September 2012 | (Cine Europa Film Festival) |
| Japan | 7 October 2012 | (Refugee Film Festival) |
| Chile | 20 March 2013 | (FEMCINE, Festival Cine de Mujeres: Festival) |
| Chile | 12 June 2014 | |
| Chile | 30 October 2015 | (Festival: Cine Nórdico en Cine UC) |
| Sweden | 30 January 2016 | (Göteborg Film Festival) |
Also Known As (AKA)
| (original title) | Hævnen |
| Argentina | En un mundo mejor |
| Australia | In a Better World |
| Bulgaria (Bulgarian title) | В един по-добър свят |
| Brazil | Em um Mundo Melhor |
| Canada (French title) (dubbed version) | Un monde meilleur |
| Chile | En un mundo mejor |
| Germany | In einer besseren Welt |
| Denmark (working title) | Civilisation |
| Spain | En un mundo mejor |
| Finland (alternative title) | Kohti parempaa maailmaa |
| Finland | Kosto |
| France | Revenge |
| Georgia | Shurisdzieba (Uketess samkaroshi) |
| Greece (alternative transliteration) | Isos, avrio! |
| Greece | Ίσως, Αύριο! |
| Croatia | U boljem svijetu |
| Hungary | Egy jobb világ |
| Israel (alternative title) (Hebrew title) | Be'olam tov yoter |
| Italy | In un mondo migliore |
| Mexico | En un mundo mejor |
| Norway | I en bedre verden |
| Peru | En un mundo mejor |
| Poland | W lepszym swiecie |
| Portugal | Num Mundo Melhor |
| Serbia | U boljem svetu |
| Russia | Месть |
| Sweden | Hämnden |
| Turkey (Turkish title) | Daha Iyi Bir Dünyada |
| USA | In a Better World |
| USA (working title) | Julius |
| Europe (alternative title) (English title) | Revenge |
| World-wide (English title) | In a Better World |
