Map of different countries with lengths of their standard copyrights colour coded. See File:World copyright-terms key wide plain.svg for a wide key, or File:World copyright terms.svg for a version including an embedded narrow key. Data taken from Commons:Copyright rules by territory. Note that this image should be used as quick reference; it does not explain the copyright law of each country in its entirety and detail and might get outdated over time. For proper reference check Commons:Licensing and List of countries' copyright length. Countries with similar terms are grouped together for easy colouring.
Original image by Balfour Smith at Duke University at page (direct link). Vectorized by Badseed using BlankMap-World6 as a basemap.
Balfour Smith, Canuckguy, Badseed.