Last year I posted some numbers on how many questions were closed on various sites around the network in the preceding year. This ended up being kinda handy to refer back to, so I'm gonna do it again:
Questions asked, closed and reopened for all sites in 2017
Site Asked AskedAndClosed PctAskedAndClosed AllClosed DuplicatesClosed DuplicatesReopened OTClosed OTReopened UnclearClosed UnclearReopened TooBroadClosed TooBroadReopened OpinionBasedClosed OpinionBasedReopened
------------------------------------ --------- -------------- ----------------- --------- ---------------- ------------------ -------- ---------- ------------- --------------- -------------- ---------------- ------------------ --------------------
Stack Overflow 3,157,603 341,165 10.8 % 360,489 139,647 5,417 93,931 1,532 47,332 1,109 67,366 848 12,213 92
Super User 59,152 10,427 17.63 % 11,317 2,126 67 4,783 105 1,959 70 2,002 52 447 15
Server Fault 33,913 7,176 21.16 % 7,378 725 20 5,488 99 606 32 457 7 102 4
Stack Apps 405 137 33.83 % 140 19 0 102 0 9 0 10 0 0 0
Seasoned Advice 2,633 481 18.27 % 497 201 8 112 4 87 3 39 1 58 1
Home Improvement 8,740 1,059 12.12 % 1,126 106 1 536 10 325 5 74 0 85 1
Game Development 8,083 1,381 17.09 % 1,702 196 4 785 14 207 12 348 4 166 1
Arqade 10,368 2,314 22.32 % 2,454 672 11 983 37 485 24 171 11 143 8
GIS 22,300 5,938 26.63 % 7,253 1,271 110 2,058 234 1,802 329 1,905 341 217 17
Mathematics 230,498 33,461 14.52 % 34,890 7,545 186 21,095 467 5,447 161 550 15 253 5
Photography 3,128 832 26.6 % 881 373 11 317 9 117 10 40 2 34 3
Cross Validated 40,671 9,481 23.31 % 10,349 1,463 55 5,045 222 3,059 398 689 38 93 7
Web Applications 5,421 1,670 30.81 % 2,289 307 3 1,430 10 380 16 119 1 53 1
Webmasters 4,870 2,195 45.07 % 2,246 509 26 871 35 363 86 333 30 170 13
Ask Different 20,401 2,551 12.5 % 2,758 972 49 667 52 777 113 206 40 136 14
Theoretical Computer Science 1,661 422 25.41 % 432 4 0 368 3 51 1 9 0 0 0
English Language & Usage 23,300 12,773 54.82 % 13,224 2,018 46 8,269 178 1,539 50 336 13 1,062 29
Money 5,139 1,168 22.73 % 1,273 220 11 652 17 179 7 105 0 117 1
RPG 6,321 1,822 28.82 % 1,956 399 59 264 23 523 258 401 120 369 85
TeX - LaTeX 27,545 5,104 18.53 % 6,685 2,964 134 1,370 29 1,993 36 269 14 89 3
Ask Ubuntu 68,563 16,252 23.7 % 18,960 8,284 169 5,458 124 4,123 239 635 37 460 14
Unix & Linux 34,926 6,693 19.16 % 7,056 1,686 52 1,525 26 2,583 115 1,008 18 254 4
WordPress Development 21,181 4,700 22.19 % 4,890 197 2 3,813 19 368 8 449 7 63 1
Bicycles 1,993 344 17.26 % 369 101 0 149 3 72 0 30 1 17 0
Software Engineering 9,672 3,575 36.96 % 3,709 206 2 2,106 14 469 8 595 5 333 7
Android Enthusiasts 11,330 2,556 22.56 % 2,605 403 5 1,703 20 407 26 38 1 54 2
Board & Card Games 1,368 261 19.08 % 294 134 9 60 2 36 9 33 1 31 2
Physics 36,143 11,508 31.84 % 11,812 2,389 38 6,076 55 2,621 78 509 26 217 3
Homebrewing 436 14 3.21 % 16 3 0 11 0 1 0 0 0 1 0
Information Security 12,363 4,449 35.99 % 4,573 795 21 2,236 26 585 15 751 4 206 1
Writers 1,657 381 22.99 % 394 41 1 263 8 34 3 32 3 24 1
Electrical Engineering 28,452 7,434 26.13 % 7,607 550 9 3,175 50 2,448 61 1,205 17 229 4
Graphic Design 10,374 1,664 16.04 % 1,727 317 7 624 16 342 25 369 17 75 3
DBA 14,648 3,095 21.13 % 3,343 367 23 998 27 1,154 88 663 14 161 3
Science Fiction & Fantasy 9,900 2,190 22.12 % 2,390 1,243 70 456 57 146 28 232 45 313 55
Area 51 Discussions 810 185 22.84 % 185 33 0 144 2 6 1 2 0 0 0
Code Review 15,419 5,034 32.65 % 5,093 53 6 4,448 317 532 93 46 6 14 3
Code Golf 3,293 1,301 39.51 % 1,398 328 85 510 37 498 179 58 10 4 0
Quantitative Finance 3,204 614 19.16 % 621 49 1 392 1 109 2 52 1 19 0
Project Management 806 155 19.23 % 170 4 0 99 3 14 0 31 3 22 0
Skeptics 1,642 644 39.22 % 657 62 2 328 41 169 55 19 5 79 12
Drupal Answers 16,023 2,295 14.32 % 2,649 337 22 787 19 714 43 714 24 97 6
Physical Fitness 1,152 420 36.46 % 435 101 0 216 2 21 0 23 0 74 1
Motor Vehicles 4,074 459 11.27 % 481 90 3 163 7 104 8 76 4 48 3
Parenting 952 290 30.46 % 301 46 0 154 12 50 5 25 4 26 2
SharePoint 14,430 782 5.42 % 798 159 8 241 9 231 43 107 12 60 4
Music 3,479 915 26.3 % 949 124 0 459 5 132 8 103 2 131 3
Software Quality Assurance & Testing 2,468 710 28.77 % 850 52 2 272 14 296 16 154 15 76 8
Mi Yodeya 4,013 961 23.95 % 1,072 372 17 361 36 211 26 82 14 46 2
Astronomy 2,453 406 16.55 % 431 106 1 122 2 134 2 46 2 23 0
German Language 2,217 482 21.74 % 494 82 6 313 24 51 4 28 2 20 0
Japanese Language 4,217 798 18.92 % 816 273 6 441 8 56 7 30 0 16 0
Gardening & Landscaping 1,932 95 4.92 % 114 29 2 33 5 37 4 13 0 2 0
Philosophy 2,518 672 26.69 % 687 67 1 333 14 161 5 68 4 58 2
Personal Productivity 365 139 38.08 % 147 27 0 72 1 14 2 20 0 14 1
Travel 8,633 3,841 44.49 % 4,027 1,419 62 1,083 71 736 91 276 37 513 44
Cryptography 4,947 1,431 28.93 % 1,497 181 15 1,004 77 167 19 109 15 36 5
Literature 1,718 207 12.05 % 207 3 0 77 20 32 9 58 12 37 8
Signal Processing 4,469 830 18.57 % 846 82 3 280 12 322 38 145 10 17 1
French Language 1,571 169 10.76 % 173 69 2 77 4 10 0 8 0 9 0
Christianity 2,120 1,009 47.59 % 1,146 99 5 347 16 181 5 145 5 374 18
Bitcoin 7,450 1,875 25.17 % 1,933 982 16 411 12 286 16 147 7 107 1
Linguistics 1,407 390 27.72 % 406 22 0 244 8 66 0 49 1 25 1
Biblical Hermeneutics 1,279 337 26.35 % 358 72 2 173 14 47 4 17 3 49 8
Economics 2,537 670 26.41 % 707 53 0 442 10 137 0 49 2 26 0
History 2,496 776 31.09 % 797 42 3 372 18 133 4 115 7 135 6
Bricks 470 63 13.4 % 66 24 1 14 2 17 2 8 2 3 0
Spanish Language 1,407 152 10.8 % 160 49 3 91 13 11 0 6 0 3 0
Computational Science 1,482 349 23.55 % 377 19 1 244 0 82 1 24 0 8 0
Movies & TV 7,915 2,940 37.14 % 3,249 246 9 2,429 62 215 18 139 16 220 15
Chinese Language 1,421 159 11.19 % 161 14 0 118 0 18 0 4 0 7 0
Biology 6,444 1,787 27.73 % 1,833 161 7 832 23 402 7 269 2 169 4
Poker 294 75 25.51 % 81 47 0 11 0 6 0 8 0 9 0
Mathematica 12,357 3,352 27.13 % 3,574 1,013 30 2,158 61 351 23 45 2 7 1
Psychology & Neuroscience 1,271 635 49.96 % 744 44 1 289 18 192 15 136 4 83 4
The Great Outdoors 772 131 16.97 % 138 29 2 54 6 23 4 19 5 13 3
Martial Arts 274 61 22.26 % 62 13 0 19 0 9 0 8 0 13 1
Sports 960 247 25.73 % 263 46 2 89 3 28 4 50 7 50 9
Academia 6,750 2,550 37.78 % 2,582 420 8 1,526 37 327 15 169 3 140 7
Computer Science 8,985 2,209 24.59 % 2,230 346 7 949 15 710 32 133 3 92 2
The Workplace 7,349 3,457 47.04 % 3,499 712 15 1,831 112 433 28 182 8 341 30
Windows Phone 369 51 13.82 % 53 24 1 19 1 7 0 1 0 2 0
Chemistry 11,592 5,179 44.68 % 5,351 614 22 2,792 81 1,135 46 724 21 86 7
Chess 882 137 15.53 % 145 52 0 38 2 26 2 15 0 14 0
Raspberry Pi 8,181 1,643 20.08 % 1,684 295 18 460 21 489 50 379 9 61 0
Russian Language 521 136 26.1 % 141 11 1 100 14 19 8 11 1 0 0
Islam 3,101 981 31.63 % 1,234 335 0 329 1 297 14 119 4 154 2
Salesforce 23,544 3,262 13.85 % 3,384 791 29 1,555 33 592 14 355 5 91 3
Ask Patents 1,016 381 37.5 % 385 36 0 310 9 36 3 2 0 1 0
UX 4,109 1,115 27.14 % 1,155 123 0 488 7 87 3 190 1 267 4
Genealogy & Family History 500 84 16.8 % 93 39 9 23 4 14 1 15 3 2 0
Robotics 1,308 381 29.13 % 393 19 0 113 5 109 8 33 1 119 7
ExpressionEngine® Answers 770 14 1.82 % 14 1 0 8 0 4 1 0 0 1 0
Politics 3,219 1,239 38.49 % 1,298 147 18 448 65 169 24 155 26 379 56
Video Production 1,450 135 9.31 % 142 19 0 74 1 24 0 13 0 12 2
Anime & Manga 2,261 762 33.7 % 780 96 0 520 8 61 5 32 2 71 4
Magento 26,758 2,103 7.86 % 2,407 599 10 854 6 407 17 406 6 141 0
English Language Learners 14,878 2,620 17.61 % 2,679 510 22 1,758 122 175 10 139 8 97 6
Sustainable Living 183 28 15.3 % 30 5 1 10 0 7 0 6 0 2 0
Tridion 874 16 1.83 % 21 13 0 2 0 4 0 2 0 0 0
Reverse Engineering 1,423 260 18.27 % 292 27 1 114 3 85 2 55 0 11 0
Arduino 6,122 1,528 24.96 % 1,704 110 2 495 8 645 12 434 4 20 0
Network Engineering 5,008 2,600 51.92 % 2,998 97 1 2,471 35 55 13 326 19 49 4
Open Data 909 65 7.15 % 68 23 2 31 2 10 1 4 0 0 0
Freelancing 375 77 20.53 % 80 3 0 31 0 6 0 25 0 15 0
Blender 14,162 2,289 16.16 % 2,365 1,270 24 441 14 441 35 140 10 73 2
MathOverflow 16,603 3,398 20.47 % 3,465 72 2 2,888 60 432 20 39 3 34 5
Space Exploration 1,810 328 18.12 % 332 89 2 88 3 49 2 62 6 44 2
Sound Design 845 200 23.67 % 222 20 0 157 9 18 2 13 0 14 0
Tor 1,496 437 29.21 % 488 227 1 57 0 177 2 21 2 6 0
Pets 1,166 160 13.72 % 164 99 6 37 2 16 0 5 0 7 0
Amateur Radio 516 74 14.34 % 81 6 1 41 4 9 2 15 0 10 3
Italian Language 430 44 10.23 % 46 7 1 25 0 8 0 3 0 3 0
Stack Overflow em Português 44,945 8,844 19.68 % 9,130 1,904 45 2,534 147 3,218 104 1,189 26 285 12
Aviation 3,788 938 24.76 % 949 351 28 229 22 154 24 127 22 88 8
Ebooks 309 45 14.56 % 50 4 0 37 0 7 0 0 0 2 0
Beer, Wine & Spirits 223 24 10.76 % 24 2 0 8 0 7 3 6 1 1 0
Software Recommendations 3,970 413 10.4 % 422 12 0 267 13 93 17 39 0 11 2
CS50 2,762 80 2.9 % 104 59 0 15 0 26 0 3 0 1 0
Expatriates 1,401 341 24.34 % 526 49 3 81 2 157 5 154 9 85 2
Mathematics Educators 411 97 23.6 % 97 4 0 69 1 8 1 12 0 4 0
Earth Science 1,153 181 15.7 % 191 26 1 74 2 52 4 33 2 6 0
Joomla 1,095 78 7.12 % 88 20 0 29 1 14 2 23 2 2 0
Data Science 5,077 944 18.59 % 978 28 0 267 3 347 14 263 6 73 0
Puzzling 3,200 469 14.66 % 479 118 2 184 3 60 7 101 6 16 0
Craft CMS 2,467 87 3.53 % 89 31 0 49 1 5 1 4 0 0 0
Buddhism 1,194 114 9.55 % 115 39 4 39 5 18 5 6 2 13 2
Hinduism 2,727 662 24.28 % 744 388 27 189 35 43 10 33 9 91 20
Community Building 69 13 18.84 % 14 2 0 9 0 2 0 0 0 1 0
Startups 801 107 13.36 % 111 5 0 64 0 14 0 25 0 3 0
Worldbuilding 5,927 2,438 41.13 % 2,493 234 13 633 47 347 34 784 61 495 29
スタック・オーバーフロー 4,874 256 5.25 % 261 14 1 104 13 72 10 49 2 22 2
Emacs 4,104 145 3.53 % 155 68 2 24 0 38 4 15 1 10 0
History of Science and Mathematics 575 55 9.57 % 57 19 0 19 0 9 0 4 0 6 0
Lifehacks 496 222 44.76 % 229 20 0 197 4 9 3 2 0 1 0
Engineering 2,875 745 25.91 % 757 22 1 190 3 319 11 205 4 21 0
Coffee 184 15 8.15 % 15 3 0 5 0 2 0 1 0 4 0
Vi and Vim 1,778 184 10.35 % 191 96 4 65 2 18 3 9 0 3 1
Music Fans 743 77 10.36 % 104 6 0 50 0 17 0 14 0 17 0
Woodworking 560 61 10.89 % 64 18 0 22 2 8 1 10 1 6 2
CiviCRM 2,510 43 1.71 % 44 27 0 12 0 5 0 0 0 0 0
Health 2,380 481 20.21 % 508 16 0 409 4 27 2 28 0 28 1
Stack Overflow на русском 79,398 9,073 11.43 % 9,561 2,117 58 3,447 188 1,774 86 1,263 51 960 28
Русский язык 2,331 195 8.37 % 243 61 6 119 15 32 6 14 2 17 2
Mythology & Folklore 370 38 10.27 % 40 8 1 13 2 4 1 12 0 3 0
Law 3,816 729 19.1 % 741 45 2 449 22 135 11 95 8 17 1
Open Source 674 111 16.47 % 112 26 0 61 2 13 0 9 0 3 0
elementary OS 2,133 200 9.38 % 252 94 1 113 0 29 0 13 0 3 0
Portuguese Language 312 19 6.09 % 19 2 0 13 0 2 0 1 0 1 0
Computer Graphics 841 142 16.88 % 145 8 0 85 3 27 3 19 0 6 0
Hardware Recommendations 1,311 582 44.39 % 589 4 0 483 5 16 3 60 2 26 1
Stack Overflow en español 41,465 9,262 22.34 % 9,568 659 21 1,857 157 3,228 202 2,737 143 1,087 50
3D Printing 705 93 13.19 % 97 1 0 29 0 25 2 22 0 20 0
Ethereum 10,066 1,324 13.15 % 1,351 666 12 350 5 134 9 113 1 88 3
Latin Language 989 28 2.83 % 30 12 0 6 1 8 2 4 0 0 0
Language Learning 284 67 23.59 % 69 6 0 38 1 4 0 14 4 7 1
Retrocomputing 640 80 12.5 % 80 6 0 36 5 6 4 26 7 6 2
Arts & Crafts 401 83 20.7 % 83 6 1 51 1 8 0 11 0 7 0
Korean Language 330 13 3.94 % 13 4 0 1 0 4 3 4 2 0 0
Monero 1,275 114 8.94 % 115 60 0 14 0 13 0 16 0 12 0
Artificial Intelligence 1,047 147 14.04 % 149 3 0 105 1 14 2 23 0 4 1
Esperanto Language 289 13 4.5 % 13 8 2 1 0 1 0 1 0 2 0
Sitecore 2,347 328 13.98 % 341 54 5 198 14 29 3 52 3 8 0
Internet of Things 718 216 30.08 % 216 11 0 90 3 48 3 57 7 10 1
Vegetarianism 408 97 23.77 % 97 7 3 24 4 7 1 40 5 19 4
Ukrainian Language 634 49 7.73 % 49 6 0 14 1 14 6 9 3 6 1
DevOps 1,079 151 13.99 % 151 12 1 34 3 53 6 34 7 18 5
Bioinformatics 810 67 8.27 % 67 6 1 23 3 9 0 24 6 5 3
Computer Science Educators 505 83 16.44 % 83 2 0 40 7 4 4 29 10 8 3
Interpersonal Skills 1,533 600 39.14 % 600 29 6 189 25 103 17 214 46 65 13
Augur 253 36 14.23 % 36 2 0 13 0 2 0 16 1 3 0
Notes:
- this counts questions asked in 2017 and questions closed in 2017 - the AskedAndClosed and PctAskedAndClosed columns reflect questions that were both asked and closed in 2017, while the remaining columns total up all questions closed in 2017 - even those asked in prior years.
- reopen numbers also include questions asked in years prior - but limit themselves to questions that were closed in 2017 and then also reopened in 2017.
- if a question was closed twice, it'll be counted twice
- if a question was reopened twice, it'll be counted twice
