| Country | Date | |
|---|---|---|
| France | May 1996 | (Cannes Film Festival) (premiere) |
| Switzerland | 6 September 1996 | |
| Canada | 7 September 1996 | (Toronto International Film Festival) |
| USA | 9 October 1996 | (Chicago International Film Festival) |
| Germany | 31 October 1996 | (German version) |
| France | 20 November 1996 | |
| Spain | 27 November 1996 | |
| South Korea | 7 December 1996 | |
| Italy | 20 December 1996 | |
| Sweden | 20 December 1996 | |
| Serbia | 1 February 1997 | (Belgrade cinema premiere) |
| Netherlands | 13 February 1997 | |
| Poland | 2 April 1997 | |
| Portugal | 25 April 1997 | |
| Hungary | 1 May 1997 | |
| UK | 16 May 1997 | |
| Australia | 12 June 1997 | |
| Hong Kong | 26 June 1997 | |
| Denmark | 8 August 1997 | |
| Japan | 20 September 1997 | |
| Finland | 5 December 1997 | |
| Turkey | 8 May 1998 | |
| Argentina | 14 May 1998 | |
| Estonia | 13 November 1998 | |
| Mexico | 25 December 1999 | |
| Iceland | 28 April 2000 | |
| Japan | 21 June 2003 | (French Film Festival) |
| Microcosmos: Le peuple de l'herbe | France (original title) |
| Microcosmos | Brazil (DVD title) / Canada (English title) / International (English title) / USA |
| Mikrokosmos | Finland (TV title) / Poland / Serbia (imdb display title) |
| Çayirin sakinleri | Turkey (Turkish title) |
| Het leven in het gras | Belgium (imdb display title) (Flemish title) |
| Microcosmos - Fantástica Aventura da Natureza | Brazil (video title) |
| Microcosmos - Il popolo dell'erba | Italy |
| Microcosmos - den lilla världen | Sweden |
| Microcosmos, de Claude Nuridsany y Marie Pérennou | Spain |
| Microcosmos: O Povo da Erva | Portugal |
| Mikrokosmos - Das Volk der Gräser | Germany |
| Mikrokosmos - gräsets folk | Finland (Swedish title) |
| Mikrokosmos - ruohikon kansa | Finland |
| Mikrokosmos: Oi katoikoi tis hlois | Greece (transliterated ISO-LATIN-1 title) |
| Mikrokozmosz | Hungary |
| Mikrokozmosz - A füvek népe | Hungary |
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