Wikipedia:Milestone statistics

Milestone	Languages (dates milestones reached, in order of reaching them)
2,000,000	English (9 September 2007)
1,000,000	German (27 December 2009); French (21 September 2010); Dutch (17 December 2011); Italian (22 January 2013); Russian (11 May 2013); Spanish (16 May 2013); Swedish (15 June 2013); Polish (24 September 2013); Waray-Waray (8 June 2014)
500,000	Japanese (25 June 2008); Portuguese (12 August 2009); Chinese (14 July 2012); Vietnamese (28 September 2012); Cebuano (18 July 2013); Ukrainian (12 May 2014)
200,000	Norwegian (Bokmål) (13 December 2008); Finnish (12 April 2009); Catalan (21 September 2009); Czech (6 July 2011); Hungarian (10 September 2011); Korean (19 May 2012); Persian (9 July 2012); Romanian (5 August 2012); Arabic (21 October 2012); Indonesian (26 October 2012); Kazakh (29 November 2012); Turkish (9 December 2012); Malay (21 March 2013); Serbian (6 July 2013); Minangkabau (10 September 2013)
100,000	Volapük (7 September 2007); Esperanto (15 June 2008); Slovak (27 August 2008); Danish (29 December 2008); Hebrew (10 January 2010); Lithuanian (18 January 2010); Bulgarian (23 May 2010); Slovene (15 August 2010); Basque (21 May 2011); Croatian (7 July 2011); Hindi (30 August 2011); Estonian (25 August 2012); Galician (4 March 2013); Uzbek (20 March 2013); Norwegian (Nynorsk) (9 April 2013); Simple English (29 May 2013); Armenian (2 December 2013); Latin (18 December 2013); Serbo-Croatian (25 January 2014); Azerbaijani (25 March 2014); Greek (9 April 2014)
50,000	Haitian (12 August 2008); Newar / Nepal Bhasa (15 April 2009); Thai (4 September 2009); Tagalog (15 January 2011); Georgian (7 July 2011); Macedonian (2 October 2011); Occitan (30 October 2011); Piedmontese (31 December 2011); Telugu (13 March 2012); Belarusian (15 September 2012); Tamil (18 December 2012); Welsh (19 July 2013); Tatar (27 July 2013); Belarusian (Tarashkevitsa) (6 August 2013); Latvian (17 August 2013); Albanian (11 October 2013); Urdu (24 April 2014); Bosnian (28 April 2014)
20,000	Bishnupriya Manipuri (16 August 2007); Luxembourgish (2 February 2008); Icelandic (15 February 2008); Breton (20 June 2008); Marathi (22 September 2008); Bengali (28 June 2009); Javanese (13 July 2009); Aragonese (4 April 2010); Swahili (21 August 2010); Ido (23 August 2010); Lombard (14 April 2011); West Frisian (22 May 2011); Gujarati (1 June 2011); Yoruba (3 July 2011); Malagasy (16 July 2011); Malayalam (5 September 2011); Western Panjabi (6 September 2011); Afrikaans (11 November 2011); Nepali (7 May 2012); Cantonese (18 May 2012); Burmese (23 July 2012); Sicilian (27 October 2012); Bashkir (31 October 2012); Low Saxon (2 December 2012); Kyrgyz (3 December 2012); Irish (14 June 2013); Kurdish (19 August 2013); Tajik (9 September 2013); Chuvash (10 November 2013); Chechen (19 December 2013); Scots (17 January 2014)
10,000	Neapolitan (20 June 2006); Sundanese (13 April 2007); Asturian (20 November 2007); Walloon (20 March 2008); Quechua (13 March 2009); Samogitian (7 April 2009); Kannada (14 January 2011); Amharic (27 May 2011); Alemannic (22 June 2011); Buginese (8 November 2011); Interlingua (5 December 2011); Banyumasan (10 January 2012); Scottish Gaelic (17 May 2012); Sorani (3 August 2012); Min Nan (24 August 2012); Mazandarani (30 August 2012); Egyptian Arabic (5 March 2013); Yiddish (16 March 2013); Venetian (25 March 2013); Mongolian (8 August 2013); Sakha (5 January 2014); Sanskrit (13 January 2014); Sinhalese (3 February 2014); Punjabi (10 April 2014); Faroese (29 May 2014)
5,000	Corsican (22 December 2006); Tarantino (2 August 2007); Maori (10 September 2007); Kapampangan (1 April 2008); Upper Sorbian (24 July 2008); Nahuatl (5 September 2008); Gilaki (30 April 2009); Limburgish (3 October 2009); Ossetian (24 February 2010); Gan (29 March 2010); Central Bicolano (21 April 2011); Fiji Hindi (16 June 2011); Hill Mari (4 August 2011); Tibetan (14 December 2011); Bavarian (25 December 2011); Ilokano (19 April 2012); Northern Sami (1 July 2012); Dutch Low Saxon (12 September 2012); Voro (7 October 2012); Rusyn/Ruthenian (22 January 2013); North Frisian (1 July 2013); Oriya (16 December 2013); Pashto (28 February 2014); Turkmen (9 March 2014); Meadow Mari (9 May 2014)
2,000	Norman (14 November 2006); Friulian (22 April 2007); Bhojpuri/Bihari (29 April 2007); Novial (20 May 2007); Pali (7 June 2007); Pangasinan (8 July 2007); West Flemish (27 August 2007); Ligurian (2 November 2007); Divehi (28 December 2007); Romansh (29 January 2008); Zazaki (6 February 2008); Wu (17 February 2008); Classical Chinese (26 April 2008); Franco-Provençal/Arpitan (2 May 2008); Maltese (5 May 2008); Manx (17 November 2008); Khmer (27 November 2008); Kashubian (4 June 2009); Uyghur (17 June 2009); Ladino (3 July 2009); Ripuarian (5 November 2009); Sardinian (5 December 2009); Anglo-Saxon (5 April 2010); Hakka (15 August 2010); Cornish (15 November 2010); Udmurt (21 April 2011); Komi (16 May 2011); Navajo (18 May 2011); Komi-Permyak (11 June 2011); Somali (13 June 2011); Saterland Frisian (3 December 2011); Extremaduran (27 December 2011); Silesian (30 December 2011); Zeelandic (16 January 2012); Mingrelian (22 February 2012); Aymara (1 April 2012); Picard (10 June 2012); Gagauz (1 September 2012); Veps (19 September 2012); Guarani (5 November 2012); Interlingue (31 December 2012); Lingala (6 January 2013); Assamese (13 January 2013); Emiliano-Romagnolo (31 March 2013); Acehnese (15 May 2013); Mirandese (18 September 2013); Shona (23 December 2013); Lower Sorbian (15 April 2014); Crimean Tatar (28 April 2014); Lezgian (8 June 2014); Zamboanga Chavacano (12 June 2014)
1,000	Pennsylvania German (16 October 2006); Tongan (25 April 2007); Hawaiian (9 February 2008); Erzya (16 July 2009); Lojban (26 August 2009); Wolof (27 August 2009); Assyrian Neo-Aramaic (21 October 2009); Karachay-Balkar (25 April 2010); Kalmyk (8 May 2010); Banjar (30 November 2010); Greenlandic (8 December 2010); Papiamentu (12 December 2010); Kinyarwanda (10 January 2011); Tok Pisin (5 March 2011); Palatinate German (6 June 2011); Lak (24 July 2011); Moksha (30 July 2011); Avar (10 September 2011); Kabyle (18 February 2012); Sranan (26 August 2012); Kabardian (25 April 2013); Lao (17 August 2013); Tahitian (24 March 2014); Russian Buryat (25 April 2014); Igbo (2 June 2014); Nauruan (12 June 2014)