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This page offers an overview of Google Summer of Code participation statistics, including the number of students, organizations, and mentors involved each year.
 


Yearly data is available dating back to the program's inception in 2005, with detailed breakdowns for most years from 2009 onward.
 


Statistics often include the overall student success rate, the number of participating countries, and the duration of the coding period.
 


Links to individual blog posts provide further analysis and insights for specific years, covering various aspects of the program.
 



Many folks ask us frequently for an overview of how many contributors/students participated in the program, how many organizations we accepted, etc.

"By The Numbers" Blog Posts




2022

2021 part one

2021 part two

2020 part one

2020 part two

2019 part one

2019 part two

2018 part one

2018 part two

2018 part three

2017 part three

2017 part two

2017 part one

2016 part three

2016 part two

2016 part one

2015 part one

2015 part two

2014 part one

2014 part two

2013 part one

2013 part two

2013 part three

2012 part one

2012 part one addendum

2012 part two

2012 part two correction

2009 summary of past years


Data and Statistics

2024

  • Coding Dates: May 27 - August 19 (for most)
  • 1,213 GSoC contributors accepted from 75 countries
  • 2,233 mentors with active projects from 79 countries
  • 195 open source organizations
  • 92.91% overall success rate

2023

  • Coding Dates: May 29 - August 21 (for most)
  • 966 GSoC contributors accepted from 65 countries
  • 1,954 mentors with active projects from 77 countries
  • 168 open source organizations
  • 93.48% overall success rate

2022

  • Coding Dates: June 13 - September 5 (for most)
  • 1,209 students accepted from 62 countries
  • 2,007 mentors with active projects from 76 countries
  • 198 open source organizations
  • 87.4% overall success rate

2021

  • Coding Dates: June 7 - August 16th
  • 1,292 students accepted from 69 countries
  • 1,859 mentors with active projects from 75 countries
  • 199 open source organizations
  • 93.27% overall success rate

2020

  • Coding Dates: June 1 - August 24th
  • 1,198 students accepted from 66 countries
  • 2,156 mentors with active projects from 67 countries
  • 199 open source organizations
  • 92.32% overall success rate

2019

  • Coding Dates: May 27th - August 19th
  • 1,276 students accepted from 63 countries
  • 2,000+ mentors with active projects from 72 countries
  • 201 open source organizations
  • 89.05% overall success rate

2018

  • Coding Dates: May 14th - August 14th
  • 1,264 students accepted from 62 countries
  • 2,117 mentors with active projects from 73 countries
  • 206 open source organizations
  • 86.24% overall success rate

2017

  • Coding Dates: May 30th - August 29th
  • 1,318 students accepted from 72 countries
  • 1,647 mentors with active projects from 69 countries
  • 3,439 registered mentors
  • 198 open source organizations
  • 86.2% overall success rate

2016

  • Coding Dates: May 23rd - August 23rd
  • 1,206 students accepted from 67 countries
  • 2,524 mentors from 66 countries
  • 178 open source organizations
  • 85.6% overall success rate

2015

  • Coding Dates: May 25th - August 21st
  • 1,051 students accepted from 73 countries
  • 1,903 mentors from 68 countries
  • 137 open source organizations
  • 88.2% overall success rate

2014

  • Coding Dates: May 19th - August 18th
  • 1,307 students accepted from 72 countries
  • 2,491 mentors from 78 countries
  • 190 open source organizations
  • 89.7% overall success rate

2013

  • Coding Dates: June 17th - September 27th
  • 1,192 students accepted from 70 countries
  • 2,212 mentors from 70 countries
  • 177 open source organizations
  • 88.9% overall success rate

2012

  • Coding Dates: May 21st - August 20th
  • 1,212 students accepted from 69 countries
  • 2,220 mentors from 66 countries
  • 180 open source organizations
  • 88.5% overall success rate

2011

  • Coding Dates: May 23rd - August 22nd
  • 1,115 students accepted from 68 countries
  • 2,096 mentors from 55 countries
  • 175 open source organizations
  • 88% overall success rate

2010

  • Coding Dates: May 24th - August 16th
  • 1,026 students accepted from 69 countries
  • 2,045 mentors from 52 countries
  • 150 open source organizations
  • 89% overall student success rate

2009

  • Coding Dates: May 23rd - August 25th
  • 1,000 students accepted from 70 countries
  • 1,991 mentors from 65 countries
  • 150 open source organizations
  • 85% overall student success rate

2008

  • Coding Dates: May 26th - August 18th
  • 1,126 students accepted from 64 countries
  • 2,164 mentors from 66 countries
  • 175 open source organizations
  • 83% overall student success rate

2007

  • Coding Dates: May 28th - August 31st
  • 905 students accepted from 62 countries
  • 1,819 mentors from 75 countries
  • 135 open source organizations
  • 81% overall student success rate

2006

  • Coding Dates: May 1st - September 8th
  • 630 students accepted from 55 countries
  • 1,252 mentors from 57 countries
  • 102 open source organizations
  • 82% overall student success rate

2005

  • 410 students accepted
  • 42 open source organizations
  • 80% overall student success rate
 


Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-06-10 UTC.
 



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