Most Popular Online Colleges 2026
Updated July 2026
Quick take (2026): The most popular online colleges in the U.S. are the ones with the largest fully online enrollments or the most Google search interest. By federal enrollment (Fall 2023), Southern New Hampshire University leads (154,863), followed by Western Governors University (135,822) and University of Phoenix-Arizona (80,637). By Google search interest (Jul 2025–Jun 2026, SNHU = 100), WGU ranks first (155), then SNHU, Grand Canyon University (99), and Liberty University (92).
Find Your School In 5 Minutes Or Less
Many schools have rolling admissions, which means you can start a program in a few weeks.
This guide gives you two ways to compare popular online colleges. The first ranks schools by enrollment size (how many online undergraduates they report to the federal government). The second ranks them by search interest (how often Americans look them up on Google). Those lists can differ, and that is normal. Looking for methodology-based quality scores instead of popularity? See our best online colleges guide (21-school quality ranking; UF #1 in that pool). You can confirm enrollment on College Navigator or each school's site.
Table of contents
- Key Takeaways
- Two Rankings On This Page
- Ranking #1: By Enrollment Size
- How We Rank By Enrollment Size
- Top 10 By Enrollment Size
- Ranking #2: By Search Interest
- What Is Search Interest?
- How We Rank By Search Interest
- Top 10 By Search Interest
- Enrollment vs. Search Comparison
- Three Patterns To Notice
- School Profiles
- Frequently Asked Questions
- Related Guides
Key Takeaways
- Two lists, two questions: Enrollment size counts online undergraduates. Search interest counts Google lookups. They measure different kinds of popularity.
- What search interest means: How often people in the U.S. search a school name on Google. It shows name recognition and curiosity. It is not enrollment and it is not a quality score.
- Enrollment leaders: Southern New Hampshire University, Western Governors University, and University of Phoenix-Arizona top the federal enrollment table.
- Search leaders: WGU leads Google search interest (155 vs. SNHU = 100), then SNHU, Grand Canyon University, and Liberty University.
- Ranks can disagree: See the side-by-side comparison. ASU ranks #4 by enrollment but sits outside our search top 10 (score 14). Liberty ranks #8 by size but #4 on Google.
- Largest ≠ best: High enrollment or search volume does not mean a school is the best fit for you. See best online colleges for quality scores (UF #1 in that pool).
- Regional accreditation: See regionally accredited online colleges for accreditor context.
Two Rankings On This Page
We do not mix enrollment and search into one score. Pick the table that matches what you want to know.
- Ranking #1 (primary): Enrollment size. Federal headcount for undergraduates enrolled fully online. Use this if you ask who has the most online students.
- Ranking #2 (companion): Search interest. How often Americans Google each school name (Jul 2025–Jun 2026). Use this if you ask who gets searched the most. See the side-by-side comparison to view both ranks together.
Ranking #1: Largest By Enrollment Size
How We Rank By Enrollment Size
We rank schools by undergraduate students enrolled exclusively in distance education (fully online) as reported in the U.S. Department of Education's IPEDS database. This count excludes students who take only some courses online and excludes graduate-only online enrollment.
Source: U.S. Department of Education, NCES IPEDS Fall Enrollment derived file (DRVEF2023, Fall 2023 collection). We compute each count from IPEDS fields EFUG (undergraduate fall enrollment) and PCUDEEXC (percent of undergraduates enrolled exclusively in distance education). Verify current headcount on College Navigator or each institution's site.
Note: IPEDS reports some brands by campus unit (for example, University of Phoenix-Arizona). Industry roundups may aggregate multiple units or use 12-month totals, which can produce different ranks than this table.
Top 10 By Enrollment Size (Primary Ranking)
IPEDS Fall 2023 counts of undergraduates enrolled exclusively online, sorted by headcount. This is the primary popularity ranking on this page.
Primary ranking · Enrollment size
| Rank | School | Online UG enrollmentIPEDS Fall 2023 |
|---|---|---|
| #1 | Southern New Hampshire University | 154,863 |
| #2 | Western Governors University | 135,822 |
| #3 | University of Phoenix-Arizona | 80,637 |
| #4 | Arizona State University Digital Immersion | 49,310 |
| #5 | Grand Canyon University | 47,522 |
| #6 | University of Maryland Global Campus | 44,698 |
| #7 | American Public University System | 40,478 |
| #8 | Liberty University | 39,089 |
| #9 | University of the People | 36,386 |
| #10 | Purdue University Global | 31,791 |
IPEDS Fall 2023 (DRVEF2023): undergraduate students enrolled exclusively in distance education. Source: NCES IPEDS Data Center.
Ranking #2: Most Searched By Search Interest
What Is Search Interest?
Search interest means how often people in the U.S. look up a college name on Google. We track it with Google Trends. A higher score means more people typed that school into Google during the period we measured.
Search interest shows name recognition and curiosity. It does not count enrolled students. It does not tell you whether a school is accredited, affordable, or right for your major. A college can enroll many online students and still get fewer Google searches than a brand that is more famous or more often looked up.
How We Rank By Search Interest
We pulled four U.S. Google Trends exports from July 6, 2025 through June 28, 2026. Each export compares a small group of schools with Southern New Hampshire University in every group as the baseline (SNHU = 100). Each week, we divided each school's Trends score by SNHU's score, then averaged those weekly ratios across all four groups.
Google Trends does not report raw search counts. It shows relative interest within each comparison query. Our scores answer a simple question: compared to SNHU, how often was each school searched during this period?
Example: a score of 155 means Americans searched that school about 55% more often than SNHU during this period. A score of 50 means about half as much search activity. The four comparison groups were: (1) SNHU, WGU, Phoenix, Liberty; (2) SNHU, Grand Canyon, UMGC, APUS; (3) SNHU, Walden, Capella, Columbia Southern, UoPeople; (4) SNHU, ASU Online, Purdue University Global.
Top 10 By Search Interest (Companion Ranking)
These schools got the most Google search interest from July 2025 through June 2026. SNHU = 100 is the baseline. Scores above 100 mean more searches than SNHU; scores below 100 mean fewer.
Companion ranking · Search interest
| Rank | School | Search interestSNHU = 100 |
|---|---|---|
| #1 | Western Governors University | 155 |
| #2 | Southern New Hampshire University | 100 |
| #3 | Grand Canyon University | 99 |
| #4 | Liberty University | 92 |
| #5 | University of Phoenix | 65 |
| #6 | Walden University | 39 |
| #7 | Capella University | 33 |
| #8 | University of Maryland Global Campus | 26 |
| #9 | American Public University System | 20 |
| #10 | Purdue University Global | 15 |
Source: U.S. Google Trends exports, Jul 6, 2025–Jun 28, 2026. SNHU-anchored comparison groups merged into one index (SNHU = 100). Scores are relative search interest, not raw search volume; table values rounded to the nearest whole number. Also tracked: Arizona State University Digital Immersion (ASU Online, 14), University of the People (9), Columbia Southern University (8).
Enrollment vs. Search Interest: How the Rankings Compare
The two tables above answer different questions. This section puts them side by side so you can see where a school ranks on enrollment, where it ranks on Google search interest, and how far those ranks move.
Search rank #2 (100). More students than any peer, but WGU gets more Google lookups.
Enrollment rank #2 (135,822). Strong search curiosity despite slightly fewer online undergraduates than SNHU.
39,089 online undergraduates, but search interest (92) ranks ahead of Phoenix, UMGC, and APUS.
49,310 online undergraduates, but search interest (14) sits outside our search top 10.
| School | Enroll rank | UG onlineIPEDS Fall 2023 | Search rank | Score | What it means |
|---|---|---|---|---|---|
| Southern New Hampshire University | #1 | 154,863 | #2 | 100 | Close on both Largest student body; second-most searched. |
| Western Governors University | #2 | 135,822 | #1 | 155 | Higher on search #2 by headcount, #1 by Google interest. |
| University of Phoenix | #3 | 80,637 | #5 | 65 | Close on both Top five on both lists. |
| Arizona State University Digital Immersion | #4 | 49,310 | Outside top 10 | 14 | Higher on enrollment Large online enrollment, much lower search visibility. |
| Grand Canyon University | #5 | 47,522 | #3 | 99 | Higher on search Smaller than SNHU/WGU, but almost as searched as SNHU. |
| University of Maryland Global Campus | #6 | 44,698 | #8 | 26 | Higher on enrollment Mid-size enrollment, modest Google interest. |
| American Public University System | #7 | 40,478 | #9 | 20 | Higher on enrollment Similar pattern to UMGC. |
| Liberty University | #8 | 39,089 | #4 | 92 | Higher on search Ranks #8 by size, #4 by Google lookups. |
| University of the People | #9 | 36,386 | Outside top 10 | 9 | Higher on enrollment Top 10 by headcount, low search footprint. |
| Purdue University Global | #10 | 31,791 | #10 | 15 | Close on both Bottom of both top-10 lists. |
| Walden University | Outside top 10 | Not in top 25 | #6 | 39 | Search-led Strong Google interest without a top-10 enrollment rank here. |
| Capella University | #20 (IPEDS) | 16,177 | #7 | 33 | Search-led Strong Google interest despite a smaller undergrad-exclusively-online headcount than enrollment top 10 schools. |
Enrollment: IPEDS Fall 2023 undergraduates exclusively online. Search: Google Trends Jul 2025–Jun 2026 (SNHU = 100). ASU search rank is approximate among schools tracked on this page.
Three Patterns To Notice
- Higher on search than enrollment: WGU, Grand Canyon University, and Liberty University punch above their headcount on Google. People search these names often even when federal enrollment counts are lower than SNHU or Phoenix.
- Higher on enrollment than search: Arizona State University Digital Immersion, UMGC, APUS, and University of the People enroll many online undergraduates but get fewer relative Google searches than GCU or Liberty.
- Search-led, not size-led: Walden University and Capella University rank #6 and #7 on search interest but sit outside our enrollment top 10. That usually means strong name recognition in specific adult-learner or graduate-heavy niches, not the largest undergraduate online headcount.
How to use this: If you want the school with the most online students, start with the enrollment table (SNHU #1). If you want the name Americans Google most, start with the search table (WGU #1). If you want quality scores instead of popularity, see best online colleges.
These profiles follow our enrollment ranking (IPEDS Fall 2023 undergraduates enrolled exclusively online). Each school below is in the national top ten by federal headcount. Search interest scores come from the companion Google Trends table when a school also ranks there.
Most Popular Online Colleges: School Profiles
1. Southern New Hampshire University
Best for: Rolling starts and one of the largest online program catalogs
Southern New Hampshire University (SNHU) reports 154,863 undergraduates enrolled exclusively online in IPEDS Fall 2023, the largest count in the country. The private nonprofit offers 200+ online degrees with frequent start dates geared toward working adults. SNHU also ranks #2 on our Google search interest table (100 vs. SNHU baseline).
- IPEDS online UG enrollment (Fall 2023): 154,863 (#1 nationally)
- Search interest (Jul 2025–Jun 2026): 100 (rank #2; SNHU = 100 baseline)
- Accreditation: New England Commission of Higher Education (NECHE)
- Notable: Open-admission online model with business, IT, and health among the most common majors
2. Western Governors University
Best for: Competency-based, self-paced online degrees at flat six-month tuition
Western Governors University (WGU) counts 135,822 undergraduates exclusively online in IPEDS Fall 2023, second only to SNHU. WGU uses a competency-based model: you advance by proving skills, not by sitting in fixed-length terms. It leads our Google search interest ranking at 155 (about 55% more U.S. search activity than SNHU during our study window).
- IPEDS online UG enrollment (Fall 2023): 135,822 (#2 nationally)
- Search interest: 155 (rank #1)
- Accreditation: Northwest Commission on Colleges and Universities (NWCCU)
- Notable: Flat-rate terms and strong appeal for career changers in teaching, nursing, IT, and business
3. University of Phoenix-Arizona
Best for: Working adults who want frequent online start dates and career-focused degrees
University of Phoenix-Arizona reports 80,637 undergraduates exclusively online in IPEDS Fall 2023, placing it third nationally. Founded in 1976 for adult learners, Phoenix remains one of the best-known names in online education. Search interest ranks #5 on our table (65 vs. SNHU = 100).
- IPEDS online UG enrollment (Fall 2023): 80,637 (#3 nationally)
- Search interest: 65 (rank #5)
- Accreditation: Higher Learning Commission (HLC)
- Notable: Long-running focus on business, health, and technology programs for working professionals
4. Arizona State University Digital Immersion
Best for: A large public research university online catalog with national name recognition
Arizona State University Digital Immersion (ASU Online) counts 49,310 undergraduates exclusively online in IPEDS Fall 2023, ranking #4 nationally. ASU lists 350+ online degree pathways through an HLC-accredited public research university. Enrollment rank is far ahead of its Google search interest score (14), one of the biggest gaps on this page.
- IPEDS online UG enrollment (Fall 2023): 49,310 (#4 nationally)
- Search interest: 14 (outside search top 10; SNHU = 100 baseline)
- Accreditation: Higher Learning Commission (HLC)
- Notable: Public R1 university with broad online offerings in business, engineering, and health
5. Grand Canyon University
Best for: High search visibility plus a large private online catalog in Phoenix
Grand Canyon University (GCU) reports 47,522 undergraduates exclusively online in IPEDS Fall 2023 (#5 nationally). GCU ranks #3 on Google search interest (99), nearly matching SNHU despite a smaller online headcount. That makes it one of the most searched names relative to its enrollment size on this list.
- IPEDS online UG enrollment (Fall 2023): 47,522 (#5 nationally)
- Search interest: 99 (rank #3)
- Accreditation: Higher Learning Commission (HLC)
- Notable: Large online nursing, education, and business programs with a Christian institutional mission
Popular Online Colleges
Learn about start dates, transferring credits, availability of financial aid, and more by contacting the universities below.6. University of Maryland Global Campus
Best for: Military-affiliated and working-adult learners who want a public online option
University of Maryland Global Campus (UMGC) counts 44,698 undergraduates exclusively online in IPEDS Fall 2023 (#6 nationally). UMGC is a public institution built for adult learners, with strong ties to military and federal employees. Search interest ranks #8 on our table (26 vs. SNHU = 100).
- IPEDS online UG enrollment (Fall 2023): 44,698 (#6 nationally)
- Search interest: 26 (rank #8)
- Accreditation: Middle States Commission on Higher Education (MSCHE)
- Notable: No SAT/ACT requirement for most programs; cybersecurity and business are common online paths
7. American Public University System
Best for: Military, veterans, and public-service professionals seeking affordable online degrees
American Public University System (APUS, including American Military University and American Public University) reports 40,478 undergraduates exclusively online in IPEDS Fall 2023 (#7 nationally). APUS is known for low published tuition and programs aligned with military and public-service careers. Search interest ranks #9 (20 vs. SNHU = 100).
- IPEDS online UG enrollment (Fall 2023): 40,478 (#7 nationally)
- Search interest: 20 (rank #9)
- Accreditation: Higher Learning Commission (HLC)
- Notable: Monthly course starts; criminal justice, intelligence, and business administration are frequent choices
8. Liberty University
Best for: Students who want a large Christian university with strong Google name recognition
Liberty University counts 39,089 undergraduates exclusively online in IPEDS Fall 2023 (#8 nationally). Liberty ranks #4 on Google search interest (92) despite sitting outside the enrollment top five, one of the largest rank gaps on this page. The private nonprofit offers hundreds of online programs under SACSCOC accreditation.
- IPEDS online UG enrollment (Fall 2023): 39,089 (#8 nationally)
- Search interest: 92 (rank #4)
- Accreditation: Southern Association of Colleges and Schools Commission on Colleges (SACSCOC)
- Notable: Eight-week online terms; business, psychology, and education are among the most popular online majors
9. University of the People
Best for: Budget-conscious learners who want tuition-free online degrees with low fees
University of the People reports 36,386 undergraduates exclusively online in IPEDS Fall 2023 (#9 nationally). UoPeople is a nonprofit that charges no tuition for most programs; students pay modest assessment fees instead. Search interest scores 9 on our SNHU-anchored index, reflecting lower U.S. Google curiosity than the largest brand-name providers above it.
- IPEDS online UG enrollment (Fall 2023): 36,386 (#9 nationally)
- Search interest: 9 (tracked in our comparison groups; outside search top 10)
- Accreditation: Distance Education Accrediting Commission (DEAC)
- Notable: Fully online associate, bachelor's, and master's programs in business, computer science, and health science
10. Purdue University Global
Best for: Adult learners who want a Purdue-affiliated online degree with credit for experience
Purdue University Global reports 31,791 undergraduates exclusively online in IPEDS Fall 2023 (#10 nationally), rounding out the federal top ten. Purdue Global targets working adults with open enrollment on many programs and credit for prior learning. Search interest ranks #10 on our table (15 vs. SNHU = 100).
- IPEDS online UG enrollment (Fall 2023): 31,791 (#10 nationally)
- Search interest: 15 (rank #10)
- Accreditation: Higher Learning Commission (HLC)
- Notable: Purdue-branded online catalog with emphasis on nursing, business, and IT pathways for career changers
Frequently Asked Questions About Popular Online Colleges
What Is Search Interest?
Search interest is how often people in the U.S. look up a college on Google. We measure it with Google Trends. It shows which school names get typed into Google most often. It does not count enrolled students and it is not a quality ranking.
What Is The Difference Between Largest And Most Searched Online Colleges?
Largest means the most online undergraduate students, based on federal IPEDS enrollment data. Most searched means the most Google lookups, based on Google Trends. SNHU enrolls the most online undergraduates in our table. WGU gets the most search interest. We keep two separate tables because headcount and Google curiosity are different measures.
What Is The Largest Online College In The US?
By IPEDS Fall 2023 counts of undergraduates enrolled exclusively online, Southern New Hampshire University (154,863) ranks first, followed by Western Governors University (135,822) and University of Phoenix-Arizona (80,637). Largest is not the same as highest quality; see our best online colleges guide for methodology-based scores.
What Is The Biggest Online College In The US?
Under IPEDS Fall 2023 undergrad-exclusively-online counts, SNHU, WGU, and University of Phoenix-Arizona are the three largest. WGU uses a competency-based model with flat six-month terms; SNHU offers 200+ online programs with rolling starts; Phoenix has long focused on working adults with frequent start dates.
What Are The Big 3 Online Colleges?
The "Big 3" usually means the three largest online providers by federal headcount. Under IPEDS Fall 2023 undergrad-exclusively-online counts, they are Southern New Hampshire University (154,863), Western Governors University (135,822), and University of Phoenix-Arizona (80,637). Google search interest ranks WGU first, not SNHU. Popularity is not the same as quality; see our best online colleges guide for methodology-based scores.
What Are Some Popular Online Colleges?
Popular online colleges with large online enrollments include SNHU, WGU, University of Phoenix-Arizona, Arizona State University Digital Immersion, Grand Canyon University, and others in our enrollment table. By Google search interest (SNHU = 100), WGU, SNHU, GCU, and Liberty rank highest. Popularity here means enrollment size or search volume, not EDsmart quality scores.
What Is The #1 Online College In The US?
"#1" depends on the question. For largest IPEDS Fall 2023 undergrad-exclusively-online enrollment, SNHU leads (154,863), followed by WGU (135,822). For most U.S. search interest, WGU leads (155 vs. SNHU = 100). For methodology-based quality scores in EDsmart's curated pool, University of Florida ranks #1 on our best online colleges page.
What Is The Best Online College Degree To Get?
High-demand online degrees include computer science, business administration, nursing (RN to BSN), and healthcare administration. The best fit depends on your career goal, local job market, and program accreditation. Use our online degrees hub and best online colleges rankings to compare schools, then confirm delivery format and cost on each institution's site.
Related Guides
- Best Online Colleges (methodology-based quality rankings)
- Regionally Accredited Online Colleges
- Self-Paced Online Colleges
- How EDsmart Rankings Work
