{"id":1842974,"date":"2025-06-23T19:32:27","date_gmt":"2025-06-23T23:32:27","guid":{"rendered":"https:\/\/www.maproomblog.com\/?p=1842974"},"modified":"2025-06-23T19:32:29","modified_gmt":"2025-06-23T23:32:29","slug":"designing-thematic-world-maps-for-smartphones","status":"publish","type":"post","link":"https:\/\/www.maproomblog.com\/2025\/06\/designing-thematic-world-maps-for-smartphones\/","title":{"rendered":"Designing Thematic World Maps for Smartphones"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-medium\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"288\" data-attachment-id=\"1842977\" data-permalink=\"https:\/\/www.maproomblog.com\/2025\/06\/designing-thematic-world-maps-for-smartphones\/nzz-thematic-maps\/\" data-orig-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps.jpg\" data-orig-size=\"1200,1150\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"nzz-thematic-maps\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-300x288.jpg\" data-large-file=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-1024x981.jpg\" src=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-300x288.jpg\" alt=\"\" class=\"wp-image-1842977\" srcset=\"https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-300x288.jpg 300w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-1024x981.jpg 1024w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-150x144.jpg 150w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-940x901.jpg 940w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps-417x400.jpg 417w, https:\/\/www.maproomblog.com\/xq\/wp-content\/uploads\/2025\/06\/nzz-thematic-maps.jpg 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption class=\"wp-element-caption\">Jonas Oesch<\/figcaption><\/figure>\n<\/div>\n\n\n<p>World maps tend to be wide (horizontal, landscape), whereas mobile phone screens tend to be tall (vertical, portrait). This makes world maps small and hard to see on phones: a problem when you\u2019re trying to present data via a thematic world map (e.g. a choropleth map) on a web page, especially if you\u2019re trying to show data on smaller countries. The <em>Neue Z\u00fcrcher Zeitung<\/em> recently did a user study to test the efficacy of two map designs\u2014one that splits continents up and portrays them in different scales to make them more legible on vertical screens, the other a hemispheric bubble map. <a href=\"https:\/\/doi.org\/10.1080\/00087041.2024.2447628\">The results were published in <em>The Cartographic Journal<\/em><\/a>; lead author Jonas Oesch provides a summary in <a href=\"https:\/\/www.jonasoesch.ch\/articles\/thematic-worldmaps-on-mobile\/\">this blog post<\/a>. [<a href=\"https:\/\/spatialists.ch\/posts\/2025\/06\/22-thematic-maps-for-mobile\/\">Ralph Straumann<\/a>] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>World maps tend to be wide (horizontal, landscape), whereas mobile phone screens tend to be tall (vertical, portrait). This makes world maps small and hard to see on phones: a problem when you\u2019re trying to&hellip; <a href=\"https:\/\/www.maproomblog.com\/2025\/06\/designing-thematic-world-maps-for-smartphones\/\">More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"link","meta":{"autoblue_enabled":true,"autoblue_custom_message":"","autoblue_shares":[],"autoblue_post_url":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[29,80],"tags":[433,1691],"class_list":["post-1842974","post","type-post","status-publish","format-link","hentry","category-cartography","category-mobile","tag-choropleth","tag-thematic-maps","post_format-post-format-link"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":3170,"url":"https:\/\/www.maproomblog.com\/2016\/10\/a-primer-on-election-map-cartography\/","url_meta":{"origin":1842974,"position":0},"title":"A Primer on Election Map Cartography","author":"Jonathan Crowe","date":"26 October 2016","format":false,"excerpt":"With\u00a0less than two weeks before the 2016 U.S. presidential election,\u00a0it's time for a refresher on election map cartography, particularly in the context of U.S. presidential elections. Cartograms Let's start with the basics:\u00a0at All Over the Map, Greg Miller explains the problem with U.S. presidential election maps\u2014big states with few electoral\u2026","rel":"","context":"In &quot;Cartography&quot;","block_context":{"text":"Cartography","link":"https:\/\/www.maproomblog.com\/category\/cartography\/"},"img":{"alt_text":"2012 U.S. presidential results. At right, a cartogram scaled by electoral vote. Maps by Mark Newman.","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/10\/newman-cartograms-2012-1024x335.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/10\/newman-cartograms-2012-1024x335.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/10\/newman-cartograms-2012-1024x335.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/10\/newman-cartograms-2012-1024x335.jpg?resize=700%2C400 2x"},"classes":[]},{"id":1530,"url":"https:\/\/www.maproomblog.com\/2016\/04\/data-visualizations-dirty-little-secret-and-choropleth-maps\/","url_meta":{"origin":1842974,"position":1},"title":"Data Visualization&#8217;s &#8216;Dirty Little Secret&#8217; and Choropleth Maps","author":"Jonathan Crowe","date":"13 April 2016","format":"link","excerpt":"The Washington Post\u2019s\u00a0Christopher Ingraham compares two choropleth maps of U.S. population growth: while they look rather different, they use the same data.\u00a0\"The difference between\u00a0my map and Pew's\u2014again, they both use the exact same data set\u2014underscores a bit of a dirty little secret in data journalism: Visualizing data is as much\u2026","rel":"","context":"In &quot;Cartography&quot;","block_context":{"text":"Cartography","link":"https:\/\/www.maproomblog.com\/category\/cartography\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1834161,"url":"https:\/\/www.maproomblog.com\/2024\/09\/review-atlas-of-iowa\/","url_meta":{"origin":1842974,"position":2},"title":"Review: Atlas of Iowa","author":"Jonathan Crowe","date":"20 September 2024","format":false,"excerpt":"Most of the maps in the Atlas of Iowa, which came out last month from University of Iowa Press, are thematic maps: mainly graduated symbol maps and (to a lesser extent) choropleth maps, that show data at the county or (to a lesser extent) census district or precinct level. These\u2026","rel":"","context":"In &quot;Book Reviews&quot;","block_context":{"text":"Book Reviews","link":"https:\/\/www.maproomblog.com\/category\/book-reviews\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2024\/09\/atlas-of-iowa-rgb-full.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":880133,"url":"https:\/\/www.maproomblog.com\/2017\/12\/examples-of-multivariate-maps\/","url_meta":{"origin":1842974,"position":3},"title":"Examples of Multivariate Maps","author":"Jonathan Crowe","date":"28 December 2017","format":"link","excerpt":"Jim Vallandingham looks at multivariate maps: There are many types of maps that are used to display data. Choropleths and Cartograms provide two great examples. I gave a talk, long long ago, about some of these map varieties. Most of these more common map types focus on a particular variable\u2026","rel":"","context":"In &quot;Cartography&quot;","block_context":{"text":"Cartography","link":"https:\/\/www.maproomblog.com\/category\/cartography\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1791406,"url":"https:\/\/www.maproomblog.com\/2021\/07\/cdc-vaccination-maps\/","url_meta":{"origin":1842974,"position":4},"title":"CDC Vaccination Maps","author":"Jonathan Crowe","date":"9 July 2021","format":"link","excerpt":"Maps tracking the progress of the U.S.\u2019s COVID-19 vaccination campaign at the CDC\u2019s COVID Data Tracker (now) include an interactive county-level map showing first and second doses among 12+, 18+ and 65+ populations and a map of vaccine equity (above): a bivariate choropleth map showing the relationship between vaccination coverage\u2026","rel":"","context":"In &quot;Health&quot;","block_context":{"text":"Health","link":"https:\/\/www.maproomblog.com\/category\/health\/"},"img":{"alt_text":"Screenshot of CDC Covid Data Tracker map showing county-level vaccination equity in the United States","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/07\/cdc-bivariate-covid-vax-svi-1024x613.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/07\/cdc-bivariate-covid-vax-svi-1024x613.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/07\/cdc-bivariate-covid-vax-svi-1024x613.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2021\/07\/cdc-bivariate-covid-vax-svi-1024x613.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":3438,"url":"https:\/\/www.maproomblog.com\/2016\/11\/3d-election-maps\/","url_meta":{"origin":1842974,"position":5},"title":"3D Election Maps","author":"Jonathan Crowe","date":"20 November 2016","format":"link","excerpt":"Mapping U.S. election results by county and state is a bit different than mapping results by electoral or congressional district, because counties and states don't have (roughly)\u00a0equal populations.\u00a0Choropleth maps\u00a0are often used to show the margin of victory, but to show the raw vote total, some election cartographers are going 3D.\u2026","rel":"","context":"In &quot;Cartography&quot;","block_context":{"text":"Cartography","link":"https:\/\/www.maproomblog.com\/category\/cartography\/"},"img":{"alt_text":"galka-prism-map","src":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/11\/galka-prism-map-1024x565.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/11\/galka-prism-map-1024x565.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/11\/galka-prism-map-1024x565.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.maproomblog.com\/xq\/wp-content\/uploads\/2016\/11\/galka-prism-map-1024x565.jpg?resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1842974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/comments?post=1842974"}],"version-history":[{"count":5,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1842974\/revisions"}],"predecessor-version":[{"id":1842981,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/posts\/1842974\/revisions\/1842981"}],"wp:attachment":[{"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/media?parent=1842974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/categories?post=1842974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maproomblog.com\/wp-json\/wp\/v2\/tags?post=1842974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}