Season 21, Survivor Nicaragua, had 20 contestants competing to be crowned the sole survivor of the season.
there are 14 episodes of Survivor 18 including the finale.
Survivor: Borneo had 13 episodes and was 39 days long.
Everyone had been eliminated from Survivor Nicaragua except Jud "Fabio" Birza.
Survivor 21 occurred in Nicaragua.
The final episode of Survivor Nicaragua aired on December 19th, 2010.
Information on Survivor Nicaragua and any of the Survivor seasons can be found on the CBS website.
Survivor: The Australian Outback had 15 episodes and was 42 days long.
Survivor airs two seasons of Survivor each year. While the episodes range from 13-16 episodes per season, majority of the seasons consist of 14 episodes. Depending on what particular year you are looking at your episode count would vary. Here is a list of the seasons and how many episodes they had so that you can calculate how many episodes per year more efficiently. Survivor: Borneo (13 Episodes) Aired: May 31, 2000-August 23, 2000 Survivor: Australian Outback (15 Episodes) Aired: January 28-May 3, 2001 Survivor: Africa (14 Episodes) Aired: October 11 2001-January 10, 2002 Survivor: Marquesas (13 Episodes) Aired: February 28-May 19, 2002 Survivor: Thailand (14 Episodes) Aired: September 19-December 19, 2002 Survivor: Amazon (14 Episodes) Aired: February 13-May 11, 2003 Survivor: Pearl Islands (14 Episodes) Aired: September 18-December 14, 2003 Survivor: All-Stars (16 Episodes) Aired: February 1-May 9, 2004 Survivor: Vanuatu (14 Episodes) Aired: September 16-December 12, 2004 Survivor: Palau (14 Episodes) Aired: February 17-May 15, 2005 Survivor: Guatemala (14 Episodes) Aired: September 15-December 11, 2005 Survivor: Panama (15 Episodes) Aired: February 2-May14, 2006 Survivor: Cook Islands (15 Episodes) Aired: September 14-December 17, 2006 Survivor: Fiji (14 Episodes) Aired: February 8-May 13, 2007 Survivor :China (14 Episodes) Aired: September 20-December 16, 2007 Survivor: Fans vs. Favorites (14 Episodes) Aired: February 7-May 11, 2008 Survivor: Gabon (14 Episodes) Aired: September 25-December 14, 2008 Survivor: Tocantins (14 Episodes) Aired: February 12-May 17, 2009 Survivor: Samoa (15 Episodes) Aired: September 17-December 20, 2009 Survivor: Heroes vs. Villains (14 Episodes) Aired: February 11-May 16, 2010 Survivor: Nicaragua (15 Episodes) Aired: September 15, 2010 - December 19, 2010 Survivor: Redemption Island (15 Episodes) Aired: February 16, 2011 - May 15, 2011
39 days if you mean how long do the castaways live there
CBS has announced Survivor: Nicaragua two-hour finale will be held in Hollywood on Sunday, December 19, 2010.
It was filmed in San Juan del Sur, Nicaragua.