List of Pokémon forms by release date/2019

By the start of 2019, the number of released forms was:

By the end of 2019, the number of released forms was:

In 2019, 100 new Pokémon species, 116 distinct regular forms and 201 shiny forms were made available to be obtained. The following medals became achievable for the first time:
 * Sinnoh Gold Sinnoh Gold.png.
 * Unova Bronze Unova Bronze.png and Silver Unova Silver.png.

The total number of Pokémon species and Pokémon distinct forms (regular and shiny) was updated according to the following events in 2019:

January
Pattern 5 of Spinda was available in field research.

Regular (1) =

January
Shiny Totodile became available on the Community Day.

Shiny (3) =

January
Shiny Zigzagoon, Taillow and Groudon became available for the first time during Hoenn Celebration 2019.

Shiny (5) =

January
Shiny Feebas became available during Limited Research.

Shiny (2) =

January
Shiny Psyduck became available at the start of Safari Zone Porto Alegre.

Shiny (2) =

January
Palkia became available as Raid Boss for the first time.

Regular (1) =

January
More Sinnoh Region Pokémon became available.

Regular (15) =

Shiny (1) =

February
Shiny Spoink became available on Lunar New Year 2019.

Shiny (2) =

February
Shiny Meltan became available for a limited time.

Shiny (2) =

February
Happiny and Shiny Cleffa and Smoochum became available on Valentine's Day 2019. Spinda with heart-shaped pattern was released. Later this pattern was registered in the Pokédex as pattern #9, rising up Hoenn-region Pokédex to 149 distinct forms.

Regular (1) =

Shiny (5) =

February
Mamoswine and its Shiny family became available on the Community Day.

Regular (1) =

Shiny (3) =

February
Shiny Latias became available in the Special Raid Week.

Shiny (1) =

February
Clamperl family became available available during Limited Research, together with shiny forms.

Regular (3) =

Shiny (3) =

February
Smeargle became available via GO Snapshot. All Johto-region Pokémon species were released, becoming the second region to be possible to complete the Pokédex.

Regular (1) =

February
Shiny Pidgey and Rattata were released in Pokémon Day 2019.

Shiny (5) =

March
Dialga became available as Raid Boss for the first time. Pattern 2 of Spinda was released in field research. Sinnoh Gold medal became achievable for the first time.

Regular (2) =

March
Shiny Mankey and Machop were released on Battle Showdown 2019.

Shiny (5) =

March
Shiny Lunatone and Solrock were released on Equinox 2019.

Shiny (2) =

March
Shiny Treecko became available on the Community Day.

Shiny (3) =

March
Deoxys Defense Forme became available to be battled exclusively in EX Raid Battle.

Regular (1) =

March
Shiny Lotad and Castform became available during Limited Research.

Shiny (4) =

April
Shiny Scyther was released on Bug Out. Origin Giratina became available as Raid Boss for the first time.

Regular (1) =

Shiny (2) =

April
Shiny Bagon became available on the Community Day.

Shiny (3) =

April
Shiny Latios became available in the Special Raid Week.

Shiny (1) =

April
Shiny Igglybuff and Buneary were released on Eggstravaganza 2019.

Shiny (5) =

April
Shiny Lapras and Shuckle became available at the start of Safari Zone in Sentosa.

Shiny (2) =

April
Shiny Diglett family became available on Earth Day 2019. The Lake Guardians were released in wild.

Regular (3) =

Shiny (2) =

May
Pattern 4 of Spinda was available in field research. Shiny Seel was released.

Regular (1) =

Shiny (2)=

May
Shiny Aipom were released on Detective Pikachu Celebration.

Shiny (2) =

May
Several Sinnoh-region Pokémon were released, featuring new Lure Modules as an evolution method.

Regular (23) =

Shiny (3)=

May
Shiny Torchic became available on the Community Day.

Shiny (3) =

May
Shiny Bronzor were released on Extraordinary Raid Week.

Shiny (2) =

May
Shiny Cresselia became available.

Shiny (1) =

June
Shiny Onix, Lileep and Anorith were released on Adventure Week 2019.

Shiny (6) =

June
Shiny Slakoth became available on the Community Day.

Shiny (3) =

June
Shiny Horsea became available with the start of Chicago Pokémon GO Fest 2019. Jirachi was available for attendees.

Regular (1) =

Shiny (3) =

June
Shiny Alolan Rattata, Sandshrew, Vulpix, Diglett, Meowth, Geodude, Grimer and Exeggutor were released on Anniversary.

Shiny (16) =

June
Shiny Raikou was released on Special Raid Challenge.

Shiny (1) =

July
Deoxys Speed Forme became available to be battled exclusively in EX Raid Battle. Shiny pattern 8 of Spinda was released.

Regular (1) =

Shiny (1) =

July
Shiny Nidoran♂ became available with the start of Dortmund Pokémon GO Fest 2019.

Shiny (3) =

July
Armored Mewtwo became available as Raid Boss for the first time, rising up Kanto-region Pokédex to 170 distinct forms.

Regular (1) =

July
Shiny Entei was released on Special Raid Challenge.

Shiny (1) =

July
Shiny Mudkip became available on the Community Day.

Shiny (3) =

July
Shiny Ekans, Zubat, Koffing and Sneasel became available at the start of the Team GO Rocket Disruption.

Shiny (9) =

July
Shiny Rayquaza became available.

Shiny (1) =

August
Shiny Ralts became available on the Community Day.

Shiny (4) =

August
Shiny Bonsly became available with the start of Gift Event.

Shiny (2) =

August
Shiny Poliwag became available with the start of Yokohama Pokémon GO Fest 2019.

Shiny (4) =

August
Shiny Suicune was released on Special Raid Challenge.

Shiny (1) =

August
Shiny Carvanha and Barboach were released on Water Festival 2019.

Shiny (4) =

September
Shiny Electrike and pattern 3 of Spinda were released.

Shiny (3) =

September
Shiny Sentret and Gligar were released on Johto Journey.

Shiny (4) =

September
Shiny Farfetch'd, Kangaskhan, Mr. Mime and Tauros were released on the second week of Ultra Bonus Event 2019.

Shiny (4) =

September
Shiny Turtwig became available on the Community Day.

Shiny (3) =

September
Main release of Unova Region. Shiny Mewtwo was released. Unova-region Pokédex introduced 156 new Pokémon species and 175 distinct forms. Unova Bronze medal became achievable for the first time.

Regular (46) =

Shiny (9) =

September
Shiny Yanma became available at the start of Safari Zone in Montreal.

Shiny (2) =

September
Shiny Altered Forme Giratina became available.

Shiny (1) =

September
Shiny variants of Zangoose and Seviper became available and Mime Jr. was released with the beginning of World Tourism Day event.

Regular (1) =

Shiny (3) =

October
Shiny Oddish became available at the start of Safari Zone in New Taipei City.

Shiny (4) =

October
Shiny Trapinch became available on the Community Day.

Shiny (3) =

October
Darkrai and Yamask became available on the Halloween 2019 event.

Regular (3) =

Shiny (2) =

November
Shiny Skarmory, Regirock, Regice and Registeel were released on A Colossal Discovery. Shiny pattern 1 of Spinda was also released.

Shiny (5) =

November
Regigigas was available in the Special Research – A Colossal Discovery.

Regular (1) =

November
Cobalion became available as Raid Boss for the first time.

Regular (1) =

November
Shiny Meowth was released on Team GO Rocket Leaders Disruption.

Shiny (2) =

November
Galar-region forms became available for the first time, rising up Kanto-region Pokédex to 171 distinct forms and Hoenn-region Pokédex to 162 distinct forms. Shiny Chimchar became available on the Community Day. Galarian Weezing became available to celebrate the release of Pokémon Sword and Shield.

Regular (1) =

Shiny (3) =

November
Shiny Tentacool became available in the Supereffective Week.

Shiny (2) =

November
Terrakion became available as Raid Boss for the first time. Unova Silver medal became achievable for the first time.

Regular (1) =

December
Shiny Burmy became available during the Evolution Event.

Shiny (7) =

December
Shiny Gible became available with the egg shuffle, without any prior announcement.

Shiny (3) =

December
Virizion became available as Raid Boss for the first time.

Regular (1) =

December
Cubchoo and Cryogonal were released during the Holiday event. Furthermore, shiny Snover and Stantler became available. For Stantler case, normal shiny version is only available after the event ended.

Regular (3) =

Shiny (3) =