https://duolingodata.com

News: 

[2025-Apr]:
- New released courses (A/B):
  ES from IT 131 units CEFR A2
- Number of learners updated

[2025-Mar]:
- Korean A1 available as A/B from
many languages! (2025-03-26)
- Portuguese A1 on BETA from
many languages! (2025-03-24)
- Japanese A1 available as A/B test
from many languages! (2025-03-19)
- Chinese A1 is being released from
all languages, as well as Spanish A2.
- Japanese and Korean A1 seems to be
ready to launch on April or May'25.
- Some courses are being replaced with
new versions (like ZH & IT from EN)
- EN from PL has 518 stories
  (previously 320-321)
- New released courses (A/B):
  Chinese 70 u. A1 from various
  DE from AR 70 units CEFR A1
  IT from FR 70 units CEFR A1
  ES from FR 131 units CEFR A2
  ES from PT 131 units CEFR A2
  EN from BN 309 units CEFR B2
  EN from CS 305 units CEFR B2
  ES from ZH 131 units CEFR A2
  KO from ZH 70 units CEFR A1
  DE from NL 70 units CEFR A1
  EN from HI 309 units CEFR B2
  DE from HU 70 units CEFR A1
  EN from PL 305 units CEFR B2
  ES from PL 131 units CEFR A2
  DE from RU 70 units CEFR A1
  ES from RU 131 units CEFR A2
  PT from RU 71 units CEFR A1 beta
  ES from DE 131 units CEFR A2
  JA from ES 70 units CEFR A1
  JA from EL 70 units CEFR A1
  KO from JA 70 units CEFR A1
  PT from JA 71 units CEFR A1 beta
  JA from KO 70 units CEFR A1
  PT from KO 71 units CEFR A1 beta
- Updated data for these courses:
  EN from EN 175 units CEFR B2
  ES from EN 286 units CEFR B2
  EN from ES 278 units CEFR B2
  ES from NL 125 to 131 units A2
- EN from KO with no Radios
  (Maybe 55 on IOS)
- More course structures added
  (link in first column)
- Moved to "old 2024" table:
  DE from ES 72 units CEFR A1
  IT from ES 66 units CEFR A1
  IT from PT 68 units CEFR A1
  EN from BN 305 units CEFR B2
  IT from ZH 66 units CEFR A1
  EN from HI 305 units CEFR B2
  EN from HI 96 units CEFR A1
  DE from HU 51 units CEFR A0
- Number of learners updated

[2025-Feb]:
- Current A/B courses more available
  and released out of beta, replacing
  old versions (example: IT from ES)
- Number of learners updated
- Korean A1 70 units available
  as beta test from many languages
- Checking and correcting EN from ES
  (Radios, Adventures, Videocalls...)
- Minor changes on some courses
  (number of lessons) like these:
  French has 6686 lessons, not 6281
  Welsh has 1758 lessons, not 2183
- EN from VI now with 568 stories
  (previously 369)
- EN from KO now with 538 stories
  (previously 339)
- More course structures added
  (link in first column)
- The JSON files are now linked under
  the "from" column, and now:
  "Lr" links to Radios
  "Ls" links to Adventures

[2025-Jan]:
- Current A/B courses more available
  and released out of beta.
- German A1 70 units released as A/B
  from some languages
- Radio in many courses
- Old courses moved to "2024 table"
- Number of learners updated
- Sorted by number of available courses
- Korean A1 seems to be ready
  as beta test from many languages

[2024-Resume]
https://duolingodata.com/dat/2024.txt

[2024-Des]:
- New updates:
  Intermediate EN with STORIES
  ES from ZH 71 units (CEFR A1)
  JA from ZH 180 units (CEFR A2)
  ES from FR 71 units (CEFR A1)
  EN from HU 305 units (CEFR B2)
  EN from TE 305 units (CEFR B2)
- New BETA courses (or A/B tests):
  ZH from "ALL" 70 units (CEFR A1)
  EN from "ALL" 305 units (CEFR B2)
  ES from "ALL" up to CEFR A2
  FR from "ALL" up to CEFR A2
  ALL=EN,ES,ZH,FR,PT,AR,JA,TR,etc.
  ...replacing existing courses
- FR from DE 129 <> 133 units
- Number of learners NOT
  updated from Duolingo's side.

[2024-Nov]:
- Released (not beta anymore):
  ES from NL 71 units (CEFR A1)
  1301 lessons (not 1310)
  ES from PL 71 units (CEFR A1)
  1307 lessons (not 1316)
  ES from EL 71 units (CEFR A1)
  1307 lessons (not 1316)
- New BETA courses (or A/B tests):
  JA from ES 70 units (CEFR A1)
   previously 5 units 54 lessons
  JA from FR 70 units (CEFR A1)
  JA from PT 70 units (CEFR A1)
   previously 5 units 54 lessons
  IT from AR 70 units (CEFR A1)
  JA from AR 70 units (CEFR A1)
  IT from JA 70 units (CEFR A1)
  IT from TR 70 units (CEFR A1)
  JA from TR 70 units (CEFR A1)
  IT from NL 70 units (CEFR A1)
  JA from NL 70 units (CEFR A1)
  JA from DE 70 units (CEFR A1)
  IT from HU 70 units (CEFR A1)
  JA from HU 70 units (CEFR A1)
  JA from IT 70 units (CEFR A1)
  IT from RU 70 units (CEFR A1)
  JA from RU 70 units (CEFR A1)
   previously 5 units 44 lessons
  IT from VI 70 units (CEFR A1)
  JA from VI 70 units (CEFR A1)
   previously 69 units 1242 lessons
  IT from BN 70 units (CEFR A1)
  JA from BN 70 units (CEFR A1)
  IT from CS 70 units (CEFR A1)
  JA from CS 70 units (CEFR A1)
  IT from EL 70 units (CEFR A1)
  JA from EL 70 units (CEFR A1)
  IT from HI 70 units (CEFR A1)
  JA from HI 70 units (CEFR A1)
   previously 5 units 54 lessons
  IT from ID 70 units (CEFR A1)
  JA from ID 70 units (CEFR A1)
  IT from KO 70 units (CEFR A1)
  JA from KO 70 units (CEFR A1)
  IT from PL 70 units (CEFR A1)
  JA from PL 70 units (CEFR A1)
  IT from RO 70 units (CEFR A1)
  JA from RO 70 units (CEFR A1)
  EN from SV 305 units (CEFR B2)
  FR from SV 69 units (CEFR A1)
  IT from SV 70 units (CEFR A1)
  JA from SV 70 units (CEFR A1)
  ES from SV 71 units (CEFR A1)
 !  ... from SWEDISH !!!
  IT from TL 70 units (CEFR A1)
  JA from TL 70 units (CEFR A1)
  EN from TA 305 units (CEFR B2)
  FR from TA 69 units (CEFR A1)
  IT from TA 70 units (CEFR A1)
  JA from TA 70 units (CEFR A1)
  ES from TA 71 units (CEFR A1)
 !  ... from TAMIL !!!
  IT from TE 70 units (CEFR A1)
  JA from TE 70 units (CEFR A1)
  IT from TH 70 units (CEFR A1)
  JA from TH 70 units (CEFR A1)
  IT from UK 70 units (CEFR A1)
  JA from UK 70 units (CEFR A1)
- New updates:
  FR from PT 69 units (CEFR A1)
  FR from AR 69 units (CEFR A1)
  FR from JA 69 units (CEFR A1)
  EN from BN 305 units (CEFR B2)
  EN from HI 305 units (CEFR B2)
- Updated: number of students

Thanks! to aSYukki
https://www.reddit.com/user/aSYukki/

[2024-Oct]:
- New updates:
  ES from PT (71 units, A1)
  ES from DE (71 units, A1)
  ES from IT (71 units, A1)
  ES from RU (71 units, A1)
- New BETA courses:
  DE from ZH 62 units (CEFR A1)
  ES from AR 71 units (CEFR A1)
  ES from JA 71 units (CEFR A1)
  FR from TR 69 units (CEFR A1)
  ES from TR 71 units (CEFR A1)
  FR from HU 69 units (CEFR A1)
  ES from HU 71 units (CEFR A1)
  FR from VI 69 units (CEFR A1)
  ES from VI 71 units (CEFR A1)
  FR from PL 69 units (CEFR A1)
  ES from PL 71 units (CEFR A1)
  FR from BN 69 units (CEFR A1)
  ES from BN 71 units (CEFR A1)
  FR from CS 69 units (CEFR A1)
  ES from CS 71 units (CEFR A1)
  FR from EL 69 units (CEFR A1)
  ES from EL 71 units (CEFR A1)
  FR from HI 69 units (CEFR A1)
  ES from HI 71 units (CEFR A1)
  FR from ID 69 units (CEFR A1)
  ES from ID 71 units (CEFR A1)
  FR from KO 69 units (CEFR A1)
  ES from KO 71 units (CEFR A1)
  FR from RO 69 units (CEFR A1)
  ES from RO 71 units (CEFR A1)
  FR from TL 69 units (CEFR A1)
  ES from TL 71 units (CEFR A1)
  FR from TE 69 units (CEFR A1)
  ES from TE 71 units (CEFR A1)
  FR from TH 69 units (CEFR A1)
  ES from TH 71 units (CEFR A1)
  FR from UK 69 units (CEFR A1)
  ES from UK 71 units (CEFR A1)
- Many courses with DuoRadio & Adventures
- Beta ES from NL has guidebook
- Updated Different Lessons:
  FR, DE, IT and ES from EN (radio, adventures)
- English ABC at bottom (standalone app)
- Updated number of students

[2024-Sep]:
- New BETA course:
  ES from NL 71 units (CEFR A1)
- Corrected: FR from IT
  has 78 units, not 68
- CEFR A1 label:
  FR from ES 68 units
  ES from ZH 64 units
  ES from FR 76 units
  FR from DE 129 units
  ES from DE 64 units
- Number of learners updated

[2024-Aug]:
- NEW CEFR Labels!:
  JA from EN B1
  KO from EN A1
  DE from ES A1
  IT from ES A1
  FR from ZH A1
  IT from ZH A1
  JA from ZH A1
  KO from ZH A2
  ES from ZH A0 (CEFR "Intro")
  DE from FR A1
  IT from FR A1
  FR from PT A1
  DE from PT A1
  IT from PT A1
  ES from PT A1
  FR from AR A1
  DE from AR A1
  IT from DE A0 (CEFR "Intro")
  FR from IT A1
  DE from IT A1
  ES from IT A1
  ZH from JA A0 (CEFR "Intro")
  FR from JA A0 (CEFR "Intro")
  KO from JA A0 (CEFR "Intro")
  FR from RU A1
  DE from RU A1
  ES from RU A1
  FR from NL A1
  DE from NL A1
  DE from TR A1
  DE from HU A0 (CEFR "Intro")
  ZH from VI A0 (CEFR "Intro")
  EN from BN A0 (CEFR "Intro")
  EN from TE A0 (CEFR "Intro")
- DuoRadio in DE, FR & IT from EN
  (only in some "Super" accounts!)
- REMOVED:
  ZS from EN 88
  CS from EN 84
  DA from EN 70
  FR from EN 235
  DE from EN 137
  HT from EN 36
  HW from EN 38
  IT from EN 66
  JA from EN 186
  ES from EN 250
  CY from EN 107
  ZU from EN 20
  CA from ES 63
  EN from ES 242
  EN from ZS 147
  EN from FR 50
  EN from PT 242
  EN from AR 61
  EN from DE 63
  IT from DE 30
  EN from IT 62
  EN from JA 136
  EN from RU 129
  EN from NL 90
  EN from TR 55
  EN from HU 55
  EN from VI 105
  EN from BN 20
  EN from CS 84
  EN from EL 55
  EN from HI 54
  EN from ID 55
  EN from KO 119
  EN from PL 55
  EN from RO 55
  EN from TL 46
  EN from TH 59
  EN from UK 83
- Re-added JA from EN story
  "Family Dinner"
- Math and Music placed at end,
  because they're available from
  many languages.
- Number of learners updated

[2024-Jul]:
- New paths:
  French from Spanish 81 units CEFR A1
  Spanish from French 72 units CEFR A1
  French from German 133 units CEFR A1
  Spanish from German 69 units CEFR A1
  Math from EN 27 Android
  Music from EN 24 Android
- EN from ES can have
  up to 68 radio lessons
  and up to 30 adventures
- Removed:
   Xhosa from English 10 units :(
  https://duolingodata.com/dat/xhfen10.html
  355 lessons, 345 words, 15 skills
   Esperanto from ES 48:
  https://duolingodata.com/dat/eofes48.html
  947, 0, 1915, 24.05, 48
   Esperanto from FR 45:
  1860, 0, 2383, 23.09, 69
   Esperanto from PT 40:
  1706, 0, 2277, 23.09, 60
   English A1 from HI 72:
  1299, 70, 3555, 24.05, 176
- "School courses" are updated!
- Number of Learners updated weekly

[2024-Jun]:
- Changed the "Levels" column, to
  "Number of active students"
  (millions)
- French from English 272
  now have 30 "Adventures"
- Intermediate English from English
  now have RADIO lessons
- New path:
  EN from HI 96 (A1)
- Link at bottom, to "2024 old data"
  (courses between Jan and May 2024)
- JA from EN removed 1 story :/
- Number of Learners updated weekly

[2024-May]:
- Units/lessons rearranged:
  ALL paths updated!
  Now almost each unit has only
  one "skill" (different lesson)
- New paths:
  EN from EN 200 (B2)
  (Intermediate English)
  EN from EN 10 (Grade 2)
  (ABC English)
 - Silver Color = "Schools" Course
  Very Light gray = Not available
              (soon to be removed)
- Added Duolingo link in the title
- Added "cursor:pointer" in headers

[2024-Apr]:
- Added "D" column: total number of
  different lessons, stories, radios...
  (It's a kind of RANKING!)
- Added "R" column: Release Date
  (Last update) (YY.MM) (Year.Month)
  links to course versions
  (under construction)
- New paths (data still empty):
  Irish from English A1
  Japanese from English A2
  English ABC from EN
  English Intermediate from EN 200
  Math from EN & from ES
  Music from EN & from ES
- New paths:
  HT from EN 44
  CA from ES 41
  EN from PL 298 (B2)
  EN from PL 77
- Changed:
  IT from EN A1 removed 17 stories :(
  DE from FR from 130 to 133 units
  EN from AR 39 removed stories :(
- Removed:
  FR from EN 268 [B2 1815 6412 345 6800]
  IT from EN 50 [503 2272 84 2960]
  JA from EN 212 [1161 4449 30 5507]
  EN from ZH 109 [B2 1162 4646 195 5167]
  EN from FR 73 [A2 696	2890 100 3319]
  EN from DE 75 [A2 713	2970 100 3769]
  EN from IT 74 [B1 74 739 3111 99 3319]
  EN from JA 110 [B1 1173 4753 189 5221]
  EN from RU 116 [B1 1183 4807 187 5229]
  EN from TR 109 [B1 1149 4617 203 4648]
  EN from CS 128 [B1 1326 5468 203 4648]
  EN from HU 109 [B1 1149 4617 203 4648]
  EN from VI 66 [A1 650 2740 130 3263]
  EN from ID 109 [B1 1149 4617 203 4648]
  EN from ID 69 [723 2890 130 3277]
  EN from PL 77 [488 1508 81 1845 149]
  DuolingoData.com/dat/enfpl77-debug.txt
  EN from PL 63 [395 1273 84 1952 140]
  DuolingoData.com/dat/enfpl63-debug.txt
  EN from PL 43 [455 1808 84 2122 129]
  DuolingoData.com/dat/enfpl43-debug.txt
  EN from RO 109 [B1 1065 4533 119 4648]
  EN from KO 150 [B1 1538 6351 219 5335]
  EN from RO 41 [338 1542 0 2405]
  EN from UK 128 [B1 1320 5442 203 4648]
- Corrected:
  Replaced "ZS" code to "ZH" ("Chinese")
  Replaced "DN" code to "NL" ("Dutch")
  JA from EN 143 has 315 Diff.Lessons
  (not 256)
  PT from EN has 99 stories (not 100)
- Tech:
  "From" shows ISO639-1 codes, to allow
  correct viewing on some phones...
  Old tables at bottom
  "D" Column links to table with
      Teaching Objective & Debugname
      (under construction)
  Changed color "#aaaaaa" to "grey"

[2024-Mar]:
- New paths:
  ZU from EN 23
  FR from ES 77
  DE from ES 82
  EN from ZH 331 (B2)
  ES from ZH 73
  EN from FR 335 (B2)
  DE from FR 130
  EN from PT 317 (B2)
  FR from PT 80
  DE from PT 83
  ES from PT 73
  EN from AR 69 (old)
  EN from DE 335 (B2)
  FR from DE 147
  EN from IT 271 (B2)
  DE from IT 82
  ES from IT 73
  EN from JA 335 (B2)
  FR from JA 68
  EN from RU 337 (B2)
  DE from RU 127
  ES from RU 73
  EN from NL 303 (B2)
  EN from HU 263 (B2)
  DE from HU 58
  EN from TR 263 (B2)
  DE from TR 82
  EN from BN 57
  EN from CS 296 (B2)
  EN from EL 263 (B2)
  EN from ID 263 (B2)
  EN from KO 336 (B2)
  EN from PL 98
  EN from PL 63
  EN from TL 252 (B2)
  EN from TH 267 (B2)
  EN from UK 295 (B2)
  EN from VI 315 (B2)
- Technical: Some minor changes
  like "letter-spacing: -1px"

[2024-Feb]:
- Colors:
  Black = Available
  Gray = Hardly available
        (lighter = More hard)
- New paths:
  DA from EN 47
  DE from EN 178 (B1) - Thanks, AJCham !!!
  DE from EN 89
  ZH from EN 43 (A1)
  CY from EN 73
  EN from ZH 96 (B1)
  EN from FR 33
  EN from PT 172 (B2)
  EN from DE 208 (B2)
  EN from DE 41
  EN from IT 41
  EN from JA 209 (B2)
  EN from JA 88 (B1)
  EN from RU 84 (A2)
  EN from VI 193 (B2)
  EN from HI 35
  EN from RO 263 (B2)
  EN from TE 27
- Added radio lessons (ES from EN)
- Corrected:
  EN from TL B2 has 231 stories
  (not 239)
- Corrected: InUse & Grey paths
- Technical: Links not underlined,
             deleted </td> & </th>

[2024-Jan]:
- New path:
  EN from HU 160 (B2)
- EN from VI 69 now it's A2
- Corrected: 
  EN from NL 182 it's B2 (not B1)
- Added stories:
  EN from AR 39 = 12
  EN from VI = 130 (old=100)
  EN from EL B2 = 323 (old=322)
  EN from RO B2 = 323 (old=238)

[2023-Des]:
- New paths:
  FR from EN 311 (B2)
  FR from EN 268 (B2)
  JA from EN 143 (A1)
  JA from EN 212
  (Thanks, Dorian Lemarchand!)
  SV from EN 97
  EN from AR 163 (B2)
  EN from TR 160 (B2)
  EN from BN 33
  EN from EL 160 (B2)
  EN from HI 67 (A1)
  EN from ID 160 (B2)
- Added stories:
  IT from ES = 54
  PT from ES = 114
  IT from FR = 40
  FR from PT = 114
  IT from PT = 37
  IT from DE = 54
  FR from IT = 54
  DE from IT = 113
  ES from IT = 84
  FR from JA = 84
  FR from RU = 114
  ES from RU = 84
  DE from TR = 114
- Added Duostories link:
  LA from EN
  VI from EN
- Some "old" paths in grey

[2023-Nov]:
- New paths:
  ES from EN 327 units (B2)
  HW from EN 34 units
  EN from ES 317 units (B2)
  EN from ZH 205 units (B2)
  EN from FR 208 units (B2)
  EN from IT 165 units (B2)
  EN from RU 202 units (B2)
  EN from NL 182 units (B1)
  EN from TR 109 units (B1)
  EN from CS 179 units (B2)
  EN from CS 128 units (B1)
  EN from KO 201 units (B2)
  EN from KO 150 units (B1)
  EN from RO 160 units (B2)
  EN from TL 154 units (B2)
  EN from TH 162 units (B2)
  EN from UK 179 units (B2)
- Added stories:
  KO from EN = 40
  DE from FR = 144
  FR from DE = 174
- EN from ZH = 195 stories (not 193)
- EN from RU = 187 stories (not 182)
- EN from JA = 189 stories (not 187)
- FR from JA now has guidebook
- EO from FR now has guidebook
- Corrected: EN from FR = A2 (not B2)
- Technical: Images in AVIF format

[2023-Oct]:
- New paths:
  ALL, with two chests in unit 1
- Separate table for OLD paths

[2023-Sep]:
- REMOVED: links to "duome.eu". Reasons:
  1) Duome is located in Russia
     https://check-host.net/ip-info?host=duome.eu
  2) At least one main mod,
     "Basler Biker", is Pro-Putin
  3) Main admin allows that
- REMOVED: Sentences tab. Reason:
  Was a random number, based in
  the old tree format of courses.

* old //ardslot.com/duolingodata.html *


 By Mat!/Ozone.