{"id":36557,"date":"2025-04-21T08:00:00","date_gmt":"2025-04-21T12:00:00","guid":{"rendered":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/"},"modified":"2026-03-13T08:31:34","modified_gmt":"2026-03-13T12:31:34","slug":"terrorism-in-america","status":"publish","type":"insight","link":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/","title":{"rendered":"Terrorism in America After 9\/11"},"author":24,"parent":0,"menu_order":0,"template":"","issue_tax":[319],"topic_tax":[189,220],"program_tax":[106],"project_tax":[],"person_tax":[2988,3075],"podcast_show_tax":[],"insight_type":[3795,3796],"fellowship_tax":[],"award":[],"class_list":["post-36557","insight","type-insight","status-publish","has-post-thumbnail","hentry","insight_type-in-depth","insight_type-report"],"acf":{"details":{"hero_type":"large-image","abstract":"A comprehensive, up-to-date source of online information about terrorist activity in the United States since 9\/11.","subheading":"A detailed look at jihadist terrorist activity in the United States since 9\/11.","read_time":"","watch_time":"","podcast_player":"","apple_podcast_link":"","spotify_podcast_link":"","podcast_link":null,"listen_time":"","youtube_id":"","":null,"featured_image":36568,"add_image_caption":false,"caption":"","pdf_version":null,"helper_taxonomies":{"issue_tax":[319],"topic_tax":[220,189],"program_tax":[106],"project_tax":false,"person_tax":[3075,2988],"fellowship_tax":false,"event_type":false,"location":false,"insight_type":[3795,3796],"award":false,"podcast_show_tax":false,"person_type":false,"demographic_key":false,"survey_topic":false,"organization":false},"media_inquiry":false,"media_inquiry_title":"","media_inquiry_email":""},"page_layout":[{"acf_fc_layout":"layout_heading","_acfe_flexible_toggle":null,"component_heading":{"text":"Abstract","level":"h3","":null,"anchor_id":""}},{"acf_fc_layout":"layout_wysiwyg","_acfe_flexible_toggle":null,"component_wysiwyg":{"add_background_color":false,"content":"<p data-block-key=\"f595o\"><i>Editor\u2019s note: This report was originally published on September 10, 2021. The data and figures within are updated on an ongoing basis. The surrounding analysis and text have not been updated since the original publication. Readers should refer to the figures for the most current information.<\/i><\/p>\r\n<p data-block-key=\"fmk60\">This report examines broad trends in the jihadist terrorist threat facing the United States that have emerged since the 9\/11 attacks. We provide <a href=\"\/in-depth\/terrorism-in-america\/part-i-overview-terrorism-cases-2001-today\/\">an overview<\/a> of the terrorism in cases we\u2019ve tracked since 9\/11, and we examine three key questions: <a href=\"http:\/\/www.newamerica.org\/in-depth\/terrorism-in-america\/who-are-terrorists\/\">Who are the terrorists<\/a> targeting the United States? <a href=\"\/in-depth\/terrorism-in-america\/why-do-they-commit-terrorist-acts\/\">Why do they engage in terrorism<\/a> in the first place? And <a href=\"\/in-depth\/terrorism-in-america\/what-threat-united-states-today\/\">what threat do they pose<\/a>?<\/p>\r\n<p data-block-key=\"dul76\">The data in this report consists of individuals accused of jihadist terrorism related crimes since 9\/11 who are either American citizens or who engaged in jihadist activity within the United States. The data also include a small number of individuals who died before being charged but were widely reported to have engaged in jihadist criminal activity. We define <i>jihadists<\/i> to include those who are motivated by versions of bin Laden\u2019s global ideology or otherwise provide support to groups that follow a version of that ideology. We exclude cases linked to Hamas, Hezbollah, and similar groups that are not associated with al-Qaeda and its off-shoots.<\/p>","":null,"drop_cap":false,"anchor_id":""}},{"acf_fc_layout":"layout_add_component","_acfe_flexible_toggle":null},{"acf_fc_layout":"layout_authors","_acfe_flexible_toggle":null,"component_authors":{"":null,"anchor_id":""}},{"acf_fc_layout":"layout_taxonomies","_acfe_flexible_toggle":null,"component_taxonomies":{"":null,"anchor_id":""}},{"acf_fc_layout":"layout_related","_acfe_flexible_toggle":null,"component_related":{"":null,"anchor_id":""}}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Terrorism in America Since 9\/11<\/title>\n<meta name=\"description\" content=\"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Terrorism in America After 9\/11\" \/>\n<meta property=\"og:description\" content=\"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/\" \/>\n<meta property=\"og:site_name\" content=\"New America\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/NewAmerica\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-13T12:31:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2952\" \/>\n\t<meta property=\"og:image:height\" content=\"1323\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@NewAmerica\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/\",\"url\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/\",\"name\":\"Terrorism in America Since 9\/11\",\"isPartOf\":{\"@id\":\"https:\/\/www.newamerica.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg\",\"datePublished\":\"2025-04-21T12:00:00+00:00\",\"dateModified\":\"2026-03-13T12:31:34+00:00\",\"description\":\"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?\",\"breadcrumb\":{\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage\",\"url\":\"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg\",\"contentUrl\":\"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg\",\"width\":2952,\"height\":1323,\"caption\":\"The aftermath of terrorist attacks on December 4, 2015 in San Bernardino, California.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.newamerica.org\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Terrorism in America After 9\/11\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.newamerica.org\/#website\",\"url\":\"https:\/\/www.newamerica.org\/\",\"name\":\"New America - Big Ideas and Bold Solutions\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.newamerica.org\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.newamerica.org\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.newamerica.org\/#organization\",\"name\":\"New America\",\"url\":\"https:\/\/www.newamerica.org\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.newamerica.org\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.newamerica.org\/wp-content\/uploads\/2026\/03\/Logo-on-Medium-Teal_1200x675.jpg\",\"contentUrl\":\"https:\/\/www.newamerica.org\/wp-content\/uploads\/2026\/03\/Logo-on-Medium-Teal_1200x675.jpg\",\"width\":1200,\"height\":675,\"caption\":\"New America\"},\"image\":{\"@id\":\"https:\/\/www.newamerica.org\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/NewAmerica\",\"https:\/\/x.com\/NewAmerica\",\"https:\/\/www.linkedin.com\/company\/new-america\",\"https:\/\/www.youtube.com\/@NewamericaOrgideas\",\"https:\/\/www.instagram.com\/newamericaorg\/\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Terrorism in America Since 9\/11","description":"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/","og_locale":"en_US","og_type":"article","og_title":"Terrorism in America After 9\/11","og_description":"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?","og_url":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/","og_site_name":"New America","article_publisher":"https:\/\/www.facebook.com\/NewAmerica","article_modified_time":"2026-03-13T12:31:34+00:00","og_image":[{"width":2952,"height":1323,"url":"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@NewAmerica","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/","url":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/","name":"Terrorism in America Since 9\/11","isPartOf":{"@id":"https:\/\/www.newamerica.org\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage"},"image":{"@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage"},"thumbnailUrl":"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg","datePublished":"2025-04-21T12:00:00+00:00","dateModified":"2026-03-13T12:31:34+00:00","description":"Explore trends in terrorism targeting the U.S. since 9\/11. Who are the terrorists, why do they act, and what threat do they pose?","breadcrumb":{"@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#primaryimage","url":"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg","contentUrl":"https:\/\/d1y8sb8igg2f8e.cloudfront.net\/images\/F82863_2.original.jpg","width":2952,"height":1323,"caption":"The aftermath of terrorist attacks on December 4, 2015 in San Bernardino, California."},{"@type":"BreadcrumbList","@id":"https:\/\/www.newamerica.org\/insights\/terrorism-in-america\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.newamerica.org\/"},{"@type":"ListItem","position":2,"name":"Terrorism in America After 9\/11"}]},{"@type":"WebSite","@id":"https:\/\/www.newamerica.org\/#website","url":"https:\/\/www.newamerica.org\/","name":"New America - Big Ideas and Bold Solutions","description":"","publisher":{"@id":"https:\/\/www.newamerica.org\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.newamerica.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.newamerica.org\/#organization","name":"New America","url":"https:\/\/www.newamerica.org\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.newamerica.org\/#\/schema\/logo\/image\/","url":"https:\/\/www.newamerica.org\/wp-content\/uploads\/2026\/03\/Logo-on-Medium-Teal_1200x675.jpg","contentUrl":"https:\/\/www.newamerica.org\/wp-content\/uploads\/2026\/03\/Logo-on-Medium-Teal_1200x675.jpg","width":1200,"height":675,"caption":"New America"},"image":{"@id":"https:\/\/www.newamerica.org\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/NewAmerica","https:\/\/x.com\/NewAmerica","https:\/\/www.linkedin.com\/company\/new-america","https:\/\/www.youtube.com\/@NewamericaOrgideas","https:\/\/www.instagram.com\/newamericaorg\/"]}]}},"_links":{"self":[{"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/insight\/36557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/insight"}],"about":[{"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/types\/insight"}],"author":[{"embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/users\/24"}],"version-history":[{"count":0,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/insight\/36557\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/media\/36568"}],"wp:attachment":[{"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/media?parent=36557"}],"wp:term":[{"taxonomy":"issue_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/issue_tax?post=36557"},{"taxonomy":"topic_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/topic_tax?post=36557"},{"taxonomy":"program_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/program_tax?post=36557"},{"taxonomy":"project_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/project_tax?post=36557"},{"taxonomy":"person_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/person_tax?post=36557"},{"taxonomy":"podcast_show_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/podcast_show_tax?post=36557"},{"taxonomy":"insight_type","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/insight_type?post=36557"},{"taxonomy":"fellowship_tax","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/fellowship_tax?post=36557"},{"taxonomy":"award","embeddable":true,"href":"https:\/\/www.newamerica.org\/wp-json\/wp\/v2\/award?post=36557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}