| Breed | Active | Population | Highest Levelled |
|---|---|---|---|
| Border Collie Group: Drovers | 74% | 264,644 | 125 Highest Retired: 123 |
| German Shepherd Dog Group: Guardian | 73% | 193,430 | 126 Highest Retired: 125 |
| Australian Shepherd Group: Drovers | 75% | 78,408 | 126 Highest Retired: 126 |
| American Pit Bull Terrier Group: Bull-Type Terriers | 77% | 63,486 | 120 Highest Retired: 119 |
| Borzoi Group: Sight Hounds | 74% | 63,277 | 117 Highest Retired: 120 |
| Siberian Husky Group: Draught | 75% | 51,870 | 130 Highest Retired: 124 |
| Shetland Sheepdog Group: Drovers | 74% | 45,814 | 125 Highest Retired: 123 |
| Dalmatian Group: Versatile | 74% | 44,618 | 112 Highest Retired: 119 |
| Alaskan Husky Group: Draught | 75% | 44,073 | 106 Highest Retired: 112 |
| Great Dane Group: Hunting | 76% | 39,432 | 121 Highest Retired: 125 |
| Labrador Retriever Group: Retrievers | 72% | 39,318 | 114 Highest Retired: 119 |
| Catahoula Leopard Dog Group: Drovers | 72% | 34,346 | 109 Highest Retired: 109 |
| Standard Poodle Group: Retrievers | 73% | 33,169 | 101 Highest Retired: 107 |
| Pomeranian Group: Companions | 73% | 33,101 | 102 Highest Retired: 100 |
| Central Asian Shepherd Group: Flock Guardians | 70% | 32,710 | 106 Highest Retired: 107 |
| Australian Koolie Group: Drovers | 77% | 31,868 | 97 Highest Retired: 105 |
| Akita Group: Hunting | 77% | 29,649 | 115 Highest Retired: 122 |
| Doberman Pinscher Group: Guardian | 78% | 29,305 | 117 Highest Retired: 120 |
| Silken Windhound Group: Sight Hounds | 76% | 28,409 | 103 Highest Retired: 103 |
| American Bully Group: Companions | 70% | 28,337 | 101 Highest Retired: 108 |
| Rough Collie Group: Drovers | 76% | 26,906 | 101 Highest Retired: 105 |
| Golden Retriever Group: Retrievers | 76% | 25,586 | 118 Highest Retired: 123 |
| Chihuahua Group: Companions | 72% | 25,409 | 108 Highest Retired: 110 |
| Saluki Group: Sight Hounds | 74% | 24,290 | 106 Highest Retired: 105 |
| Finnish Lapphund Group: Drovers | 73% | 23,936 | 119 Highest Retired: 124 |
| Dachshund Group: Scent Hounds | 73% | 23,716 | 98 Highest Retired: 102 |
| Miniature Australian Shepherd Group: Drovers | 78% | 23,233 | 108 Highest Retired: 109 |
| West Siberian Laika Group: Hunting | 76% | 22,079 | 100 Highest Retired: 109 |
| Alaskan Malamute Group: Draught | 78% | 21,752 | 98 Highest Retired: 102 |
| Afghan Hound Group: Sight Hounds | 76% | 21,561 | 113 Highest Retired: 113 |
| Beagle Group: Scent Hounds | 72% | 21,069 | 106 Highest Retired: 103 |
| Greenland Dog Group: Draught | 78% | 20,674 | 101 Highest Retired: 113 |
| Caucasian Ovtcharka Group: Flock Guardians | 75% | 19,997 | 106 Highest Retired: 112 |
| Belgian Malinois Group: Guardian | 79% | 19,854 | 107 Highest Retired: 108 |
| Cardigan Welsh Corgi Group: Drovers | 75% | 19,443 | 105 Highest Retired: 103 |
| Greyhound Group: Sight Hounds | 78% | 19,278 | 106 Highest Retired: 105 |
| Mudi Group: Drovers | 75% | 19,094 | 102 Highest Retired: 103 |
| Whippet Group: Sight Hounds | 77% | 18,529 | 102 Highest Retired: 102 |
| Saarloos Wolfdog Group: Drovers | 81% | 18,138 | 99 Highest Retired: 101 |
| American Indian Dog Group: Hunting | 73% | 17,944 | 111 Highest Retired: 110 |
| Icelandic Sheepdog Group: Drovers | 74% | 17,700 | 103 Highest Retired: 100 |
| Australian Cattle Dog Group: Drovers | 77% | 17,240 | 111 Highest Retired: 110 |
| Azawakh Hound Group: Sight Hounds | 61% | 17,062 | 101 Highest Retired: 102 |
| Tibetan Mastiff Group: Flock Guardians | 75% | 16,671 | 116 Highest Retired: 118 |
| Africanis Group: Sight Hounds | 73% | 16,456 | 112 Highest Retired: 111 |
| Czechoslovakian Wolfdog Group: Drovers | 80% | 16,267 | 101 Highest Retired: 101 |
| Rottweiler Group: Guardian | 78% | 15,676 | 104 Highest Retired: 103 |
| Bulldog Group: Companions | 70% | 15,599 | 101 Highest Retired: 97 |
| Chinese Shar-Pei Group: Versatile | 59% | 15,281 | 98 Highest Retired: 98 |
| Newfoundland Group: Draught | 78% | 15,207 | 100 Highest Retired: 111 |
| Anatolian Shepherd Group: Flock Guardians | 76% | 15,098 | 111 Highest Retired: 112 |
| Brittany Group: Pointers/Setters | 75% | 15,093 | 106 Highest Retired: 107 |
| Aidi Group: Flock Guardians | 71% | 15,090 | 116 Highest Retired: 102 |
| Akita Inu Group: Hunting | 79% | 14,644 | 101 Highest Retired: 103 |
| Lapponian Herder Group: Drovers | 73% | 14,606 | 113 Highest Retired: 112 |
| Papillon Group: Companions | 79% | 14,553 | 100 Highest Retired: 105 |
| Irish Wolfhound Group: Sight Hounds | 77% | 14,281 | 106 Highest Retired: 114 |
| American Cocker Spaniel Group: Spaniels/Flushers | 68% | 14,276 | 117 Highest Retired: 114 |
| Otterhound Group: Scent Hounds | 68% | 14,081 | 113 Highest Retired: 113 |
| Kelpie Group: Drovers | 76% | 14,003 | 102 Highest Retired: 112 |
| Shiba Inu Group: Hunting | 75% | 13,939 | 114 Highest Retired: 113 |
| Xoloitzcuintle Group: Versatile | 71% | 13,584 | 102 Highest Retired: 101 |
| Pembroke Welsh Corgi Group: Drovers | 75% | 13,534 | 117 Highest Retired: 120 |
| Chinese Crested Group: Companions | 76% | 13,525 | 102 Highest Retired: 101 |
| Toy Poodle Group: Companions | 72% | 13,523 | 105 Highest Retired: 102 |
| Nova Scotia Duck Tolling Retriever Group: Retrievers | 76% | 13,448 | 106 Highest Retired: 114 |
| Chart Polski Group: Sight Hounds | 74% | 13,134 | 109 Highest Retired: 107 |
| Belgian Tervuren Group: Guardian | 79% | 13,043 | 125 Highest Retired: 124 |
| Miniature Bull Terrier Group: Bull-Type Terriers | 75% | 12,741 | 100 Highest Retired: 102 |
| Korean Jindo Group: Hunting | 78% | 12,703 | 97 Highest Retired: 101 |
| Bull Terrier Group: Bull-Type Terriers | 80% | 12,652 | 102 Highest Retired: 104 |
| Cane Corso Group: Hunting | 76% | 12,603 | 103 Highest Retired: 98 |
| Staffordshire Bull Terrier Group: Bull-Type Terriers | 81% | 12,557 | 104 Highest Retired: 102 |
| Boerboel Group: Guardian | 69% | 12,516 | 98 Highest Retired: 108 |
| Lagotto Romagnolo Group: Retrievers | 64% | 12,338 | 93 Highest Retired: 95 |
| English Cocker Spaniel Group: Spaniels/Flushers | 77% | 12,284 | 105 Highest Retired: 107 |
| American Staffordshire Terrier Group: Bull-Type Terriers | 79% | 12,257 | 103 Highest Retired: 104 |
| Miniature Dachshund Group: Scent Hounds | 75% | 12,175 | 103 Highest Retired: 102 |
| Greater Swiss Mountain Dog Group: Draught | 76% | 12,093 | 115 Highest Retired: 117 |
| French Bulldog Group: Companions | 70% | 12,051 | 96 Highest Retired: 109 |
| Smooth Collie Group: Drovers | 75% | 12,017 | 100 Highest Retired: 106 |
| Carpathian Shepherd Group: Flock Guardians | 71% | 12,005 | 118 Highest Retired: 117 |
| Belgian Sheepdog Group: Guardian | 80% | 11,956 | 114 Highest Retired: 116 |
| Samoyed Group: Draught | 79% | 11,905 | 98 Highest Retired: 105 |
| Portuguese Water Dog Group: Draught | 76% | 11,720 | 100 Highest Retired: 100 |
| Ibizan Hound Group: Sight Hounds | 77% | 11,711 | 115 Highest Retired: 115 |
| Italian Greyhound Group: Sight Hounds | 75% | 11,697 | 114 Highest Retired: 119 |
| Saint Bernard Group: Draught | 74% | 11,695 | 96 Highest Retired: 100 |
| Cavalier King Charles Spaniel Group: Companions | 75% | 11,629 | 108 Highest Retired: 106 |
| Chinook Group: Draught | 75% | 11,603 | 99 Highest Retired: 100 |
| Canadian Eskimo Dog Group: Draught | 77% | 11,597 | 111 Highest Retired: 109 |
| Bernese Mountain Dog Group: Draught | 78% | 11,521 | 124 Highest Retired: 121 |
| Havanese Group: Companions | 69% | 11,383 | 102 Highest Retired: 101 |
| Kooikerhondje Group: Spaniels/Flushers | 78% | 11,355 | 111 Highest Retired: 108 |
| Bluetick Coonhound Group: Scent Hounds | 77% | 11,288 | 128 Highest Retired: 125 |
| American White Shepherd Group: Guardian | 78% | 11,136 | 116 Highest Retired: 112 |
| Beauceron Group: Guardian | 80% | 11,045 | 104 Highest Retired: 102 |
| Eurasier Group: Companions | 72% | 10,920 | 102 Highest Retired: 100 |
| Great Pyrenees Group: Flock Guardians | 74% | 10,803 | 101 Highest Retired: 102 |
| Scottish Deerhound Group: Sight Hounds | 79% | 10,714 | 107 Highest Retired: 102 |
| Shih Tzu Group: Companions | 72% | 10,712 | 113 Highest Retired: 109 |
| Basset Hound Group: Scent Hounds | 75% | 10,593 | 100 Highest Retired: 100 |
| Basenji Group: Sight Hounds | 75% | 10,475 | 101 Highest Retired: 101 |
| Sloughi Group: Sight Hounds | 82% | 10,468 | 105 Highest Retired: 102 |
| Berger Picard Group: Drovers | 74% | 10,453 | 103 Highest Retired: 100 |
| Pharaoh Hound Group: Sight Hounds | 81% | 10,398 | 108 Highest Retired: 105 |
| German Shorthaired Pointer Group: Pointers/Setters | 74% | 10,362 | 96 Highest Retired: 101 |
| Pug Group: Companions | 76% | 10,269 | 101 Highest Retired: 114 |
| English Springer Spaniel Group: Spaniels/Flushers | 75% | 10,231 | 99 Highest Retired: 100 |
| Rat Terrier Group: Terriers | 68% | 9,999 | 105 Highest Retired: 101 |
| Hovawart Group: Guardian | 71% | 9,997 | 106 Highest Retired: 103 |
| Dutch Shepherd Group: Guardian | 75% | 9,963 | 106 Highest Retired: 109 |
| Boxer Group: Hunting | 76% | 9,906 | 118 Highest Retired: 117 |
| English Shepherd Group: Drovers | 77% | 9,774 | 107 Highest Retired: 103 |
| American Bulldog Group: Versatile | 72% | 9,660 | 106 Highest Retired: 107 |
| Miniature Poodle Group: Versatile | 50% | 9,656 | 70 Highest Retired: 77 |
| Swedish Vallhund Group: Drovers | 77% | 9,487 | 121 Highest Retired: 121 |
| Alaskan Klee Kai Group: Companions | 75% | 9,439 | 101 Highest Retired: 97 |
| Pekingese Group: Companions | 56% | 9,279 | 98 Highest Retired: 99 |
| Black Mouth Cur Group: Scent Hounds | 71% | 8,977 | 100 Highest Retired: 101 |
| Bearded Collie Group: Drovers | 78% | 8,844 | 107 Highest Retired: 100 |
| Canaan Dog Group: Drovers | 78% | 8,813 | 112 Highest Retired: 109 |
| Neapolitan Mastiff Group: Guardian | 74% | 8,794 | 102 Highest Retired: 101 |
| Puli Group: Drovers | 84% | 8,743 | 117 Highest Retired: 119 |
| Croatian Sheepdog Group: Drovers | 80% | 8,742 | 106 Highest Retired: 105 |
| Jack Russell Terrier Group: Terriers | 72% | 8,731 | 109 Highest Retired: 112 |
| Old English Sheepdog Group: Drovers | 75% | 8,686 | 108 Highest Retired: 107 |
| Stabyhoun Group: Pointers/Setters | 77% | 8,671 | 101 Highest Retired: 102 |
| Weimaraner Group: Pointers/Setters | 74% | 8,410 | 98 Highest Retired: 102 |
| Bedlington Terrier Group: Terriers | 73% | 8,034 | 104 Highest Retired: 107 |
| Chow-chow Group: Versatile | 76% | 7,933 | 109 Highest Retired: 113 |
| Bracco Italiano Group: Pointers/Setters | 68% | 7,894 | 116 Highest Retired: 105 |
| Finnish Spitz Group: Hunting | 83% | 7,890 | 103 Highest Retired: 111 |
| Pointer Group: Pointers/Setters | 75% | 7,845 | 108 Highest Retired: 113 |
| English Setter Group: Pointers/Setters | 72% | 7,820 | 104 Highest Retired: 107 |
| Carolina Dog Group: Versatile | 77% | 7,770 | 93 Highest Retired: 94 |
| Tibetan Spaniel Group: Companions | 71% | 7,665 | 105 Highest Retired: 104 |
| Russell Terrier Group: Terriers | 73% | 7,627 | 106 Highest Retired: 105 |
| German Wirehaired Pointer Group: Pointers/Setters | 74% | 7,590 | 101 Highest Retired: 111 |
| Flat Coated Retriever Group: Retrievers | 76% | 7,574 | 106 Highest Retired: 101 |
| Large Munsterlander Group: Pointers/Setters | 81% | 7,507 | 95 Highest Retired: 96 |
| Belgian Laekenois Group: Guardian | 80% | 7,456 | 102 Highest Retired: 100 |
| English Foxhound Group: Scent Hounds | 68% | 7,443 | 100 Highest Retired: 100 |
| Leonberger Group: Flock Guardians | 76% | 7,410 | 96 Highest Retired: 102 |
| Spinone Italiano Group: Pointers/Setters | 80% | 7,406 | 103 Highest Retired: 100 |
| Gordon Setter Group: Pointers/Setters | 81% | 7,389 | 103 Highest Retired: 100 |
| Affenpinscher Group: Versatile | 75% | 7,377 | 105 Highest Retired: 104 |
| Rhodesian Ridgeback Group: Scent Hounds | 76% | 7,370 | 108 Highest Retired: 110 |
| Irish Setter Group: Pointers/Setters | 76% | 7,363 | 105 Highest Retired: 102 |
| Ainu Dog Group: Hunting | 75% | 7,345 | 93 Highest Retired: 100 |
| Irish Water Spaniel Group: Retrievers | 87% | 7,320 | 100 Highest Retired: 101 |
| Vizsla Group: Pointers/Setters | 81% | 7,294 | 101 Highest Retired: 99 |
| Chesapeake Bay Retriever Group: Retrievers | 80% | 7,278 | 103 Highest Retired: 98 |
| Jamthund Group: Hunting | 76% | 7,240 | 101 Highest Retired: 104 |
| Shikoku Group: Hunting | 77% | 7,236 | 111 Highest Retired: 103 |
| Skye Terrier Group: Terriers | 71% | 7,227 | 106 Highest Retired: 105 |
| Plott Group: Scent Hounds | 73% | 7,216 | 101 Highest Retired: 104 |
| Curly Coated Retriever Group: Retrievers | 77% | 7,196 | 100 Highest Retired: 99 |
| Karelian Bear Dog Group: Hunting | 76% | 7,175 | 106 Highest Retired: 109 |
| Giant Schnauzer Group: Guardian | 76% | 7,124 | 107 Highest Retired: 105 |
| Norwegian Lundehund Group: Hunting | 83% | 7,088 | 105 Highest Retired: 100 |
| English Toy Spaniel Group: Companions | 65% | 7,064 | 93 Highest Retired: 97 |
| Thai Ridgeback Dog Group: Hunting | 80% | 7,047 | 111 Highest Retired: 113 |
| Welsh Terrier Group: Terriers | 66% | 7,027 | 97 Highest Retired: 100 |
| Dogo Argentino Group: Hunting | 81% | 7,027 | 101 Highest Retired: 115 |
| Kai Ken Group: Hunting | 77% | 7,012 | 95 Highest Retired: 103 |
| Norwegian Elkhound Group: Hunting | 84% | 6,937 | 103 Highest Retired: 100 |
| Schipperke Group: Versatile | 70% | 6,792 | 94 Highest Retired: 99 |
| Clumber Spaniel Group: Spaniels/Flushers | 82% | 6,780 | 103 Highest Retired: 100 |
| Sussex Spaniel Group: Spaniels/Flushers | 79% | 6,725 | 100 Highest Retired: 100 |
| Welsh Springer Spaniel Group: Spaniels/Flushers | 82% | 6,718 | 114 Highest Retired: 113 |
| Lhasa Apso Group: Versatile | 72% | 6,677 | 106 Highest Retired: 106 |
| Yorkshire Terrier Group: Terriers | 70% | 6,672 | 95 Highest Retired: 100 |
| Keeshond Group: Versatile | 80% | 6,668 | 104 Highest Retired: 106 |
| Akbash Dog Group: Flock Guardians | 76% | 6,649 | 100 Highest Retired: 104 |
| Taiwan Dog Group: Scent Hounds | 71% | 6,638 | 98 Highest Retired: 102 |
| Field Spaniel Group: Spaniels/Flushers | 76% | 6,624 | 101 Highest Retired: 102 |
| Boykin Spaniel Group: Spaniels/Flushers | 81% | 6,606 | 102 Highest Retired: 101 |
| Miniature Schnauzer Group: Terriers | 72% | 6,491 | 112 Highest Retired: 114 |
| Brussels Griffon Group: Versatile | 83% | 6,405 | 101 Highest Retired: 102 |
| Miniature Pinscher Group: Versatile | 77% | 6,371 | 97 Highest Retired: 97 |
| Scottish Terrier Group: Terriers | 64% | 6,360 | 109 Highest Retired: 111 |
| Kuvasz Group: Flock Guardians | 82% | 6,257 | 97 Highest Retired: 98 |
| Harrier Group: Scent Hounds | 75% | 6,253 | 103 Highest Retired: 102 |
| Bichon Frise Group: Companions | 81% | 6,194 | 105 Highest Retired: 101 |
| Redbone Coonhound Group: Scent Hounds | 80% | 6,193 | 105 Highest Retired: 100 |
| Black and Tan Coonhound Group: Scent Hounds | 75% | 6,188 | 102 Highest Retired: 100 |
| Bloodhound Group: Scent Hounds | 78% | 6,185 | 107 Highest Retired: 103 |
| Petit Basset Griffon Vendeen Group: Scent Hounds | 78% | 6,172 | 98 Highest Retired: 106 |
| Norwegian Buhund Group: Flock Guardians | 74% | 6,172 | 97 Highest Retired: 101 |
| Dogue de Bordeaux Group: Flock Guardians | 81% | 6,169 | 102 Highest Retired: 103 |
| Greek Harehound Group: Scent Hounds | 76% | 6,161 | 98 Highest Retired: 97 |
| Bouvier des Flandres Group: Guardian | 75% | 6,110 | 99 Highest Retired: 101 |
| Komondor Group: Flock Guardians | 82% | 6,100 | 116 Highest Retired: 116 |
| Japanese Spitz Group: Companions | 79% | 6,052 | 95 Highest Retired: 98 |
| Wire Fox Terrier Group: Terriers | 70% | 6,051 | 105 Highest Retired: 101 |
| Porcelaine Group: Scent Hounds | 80% | 6,030 | 100 Highest Retired: 101 |
| Maremma Sheepdog Group: Flock Guardians | 78% | 5,982 | 98 Highest Retired: 101 |
| Maltese Group: Companions | 72% | 5,966 | 90 Highest Retired: 92 |
| Toy Fox Terrier Group: Companions | 76% | 5,954 | 102 Highest Retired: 102 |
| Japanese Chin Group: Companions | 81% | 5,936 | 103 Highest Retired: 107 |
| American Eskimo Dog Group: Companions | 77% | 5,799 | 109 Highest Retired: 108 |
| Azores Cattle Dog Group: Guardian | 83% | 5,787 | 111 Highest Retired: 110 |
| Appenzeller Mountain Dog Group: Guardian | 78% | 5,778 | 109 Highest Retired: 108 |
| Boston Terrier Group: Companions | 77% | 5,765 | 111 Highest Retired: 116 |
| English Mastiff Group: Guardian | 79% | 5,765 | 106 Highest Retired: 108 |
| West Highland White Terrier Group: Terriers | 71% | 5,764 | 102 Highest Retired: 104 |
| Briard Group: Guardian | 78% | 5,753 | 99 Highest Retired: 102 |
| Tosa Inu Group: Guardian | 82% | 5,709 | 96 Highest Retired: 100 |
| Airedale Terrier Group: Guardian | 76% | 5,688 | 101 Highest Retired: 101 |
| German Pinscher Group: Guardian | 80% | 5,639 | 100 Highest Retired: 109 |
| Dandie Dinmont Terrier Group: Terriers | 71% | 5,629 | 101 Highest Retired: 101 |
| Border Terrier Group: Terriers | 81% | 5,625 | 100 Highest Retired: 99 |
| Irish Terrier Group: Terriers | 80% | 5,620 | 106 Highest Retired: 104 |
| Soft Coated Wheaten Terrier Group: Terriers | 73% | 5,588 | 118 Highest Retired: 110 |
| Bullmastiff Group: Guardian | 76% | 5,566 | 101 Highest Retired: 100 |
| Mastiff Group: Guardian | 81% | 5,535 | 105 Highest Retired: 104 |
| Cairn Terrier Group: Terriers | 77% | 5,511 | 107 Highest Retired: 105 |
| Norwich Terrier Group: Terriers | 74% | 5,509 | 100 Highest Retired: 101 |
| Kerry Blue Terrier Group: Terriers | 73% | 5,507 | 118 Highest Retired: 118 |
| Manchester Terrier Group: Terriers | 80% | 5,502 | 106 Highest Retired: 101 |
| Smooth Fox Terrier Group: Terriers | 73% | 5,495 | 102 Highest Retired: 103 |
| Dutch Smoushond Group: Terriers | 82% | 5,492 | 103 Highest Retired: 110 |
| Norfolk Terrier Group: Terriers | 70% | 5,466 | 100 Highest Retired: 98 |
| Silky Terrier Group: Terriers | 81% | 5,445 | 96 Highest Retired: 96 |