Bogleheads® Wiki 2018 annual report

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In a departure from the wiki's policy of neutrality, this content presents the personal viewpoint of LadyGeek.

May 13, 2018 marks the tenth anniversary of the launching of The Bogleheads® Wiki. The wiki was publicly announced on May 21, 2008.[1] Our Wiki statistics page provides us with the following numerical snapshot of our wiki project as of May 6, 2017.

Over the past year, growth in wiki readership spiked near the end of 2017. Historical statistics and a timeline of wiki initiatives can be found in the appendix to this report.

Statistics as of May 6, 2018
Statistics Wiki Visits over the past Five Years

Cumulative statistics

  • Content Pages: 945
  • Edits: 62,669
  • Average edits per page: 12.19
  • Registered Editors: 266

Annual statistics

  • New Pages: 20
  • Annual Edits: 2,694
  • Average Edits per day: 7
  • New Editors: 10

Note: The trend line is shown in red.

The year in review

Personal Reflections

"Many thanks: To the wiki editors for their contributions; And to the forum members whose ideas and insight make the wiki successful."
-- LadyGeek

The wiki grew by the addition of 20 new pages during the fiscal year. There were several pages added to cover frequently discussed concepts:

The update to US tax law drove the need for Outline of tax law changes, which may explain the spike in readership at the end of 2017.

TSP Modernization Act of 2017 was also the result of a change in US tax law.

Among thematic trends, the 529 plan section was completely revised. 529 plans by state was created as part of this update.

Our non-US editors are continuing to reflect the increased readership from Bogleheads forum members outside the US. The category of "International domiciles" was changed to Non-US domiciles in order to provide a global perspective.

For a complete list of new pages, refer to the 2017 - 2018 new pages box provided below.

Mobile readers

On March 29, 2018 we added a software module which allows navigation menus (templates) to be displayed in mobile devices.[note 1]

An example menu is here: Bogleheads investing start-up kit


The table below provides a history of cumulative annual statistics for The Bogleheads® Wiki, derived during the annual May anniversary week of the wiki's founding. The spreadsheet component of the table also contains tabs showing the annual statistics for each year.

Cumulative Annual Statistics (View Google Spreadsheet in browser, then File --> Download as to download the file.)
Note: If the spreadsheet is blank, select a different sheet, then back to that sheet. The image will be refreshed.

2017 2016 2015 2014 2013 2012 2011 2010 2009 2008
Content Pages 945 925 905 861 811 721 657 559 483 377
Edits 62,669 60,549 57,855 51,601 46,555 35,403 28,372 22,550 18,628 13,016
Average Page Edits 12.19 12.13 12.02 13.12 13.38 13.62 13.15 13.08 12.83 11.06
Registered Editors 266 248 238 217 202 181 158 134 113 87


  1. A navigation template is a menu located at the bottom of an article which links related content. Previously, these menus were only supported on desktop displays. Expand the last heading in the article to see the menu. The technical details are here: Module:NavboxMobile


  1. Bogleheads® forum topic: Announcement: Introducing The Bogleheads Wiki, Barry Barnitz. May 21, 2008