The series is set in an unspecified future where 20-year-old individuals of the impoverished "Inland" have the single opportunity to complete "The Process" and advance to the affluence of the distant "Offshore" society. While most of the unsuccessful candidates are simply eliminated, some fail to survive, leading to only 3% of the candidates succeeding.[3]
The first season, consisting of eight episodes, became available onNetflix worldwide on 25 November 2016. In December 2016, Netflix renewed the series for a second season, which was released on 27 April 2018, consisting of 10 episodes.[4][5] In June 2018, the series was renewed for a third season, consisting of eight episodes, which was released on 7 June 2019.[6][7] In August 2019, it was announced that the series had been renewed for a fourth and final season,[8] which was released on 14 August 2020 and consists of seven episodes.[9]
João Miguel as Ezequiel, the head of the Process. He is intense, mysterious, short-tempered, and conflicted by ideal extremes. (seasons 1–2)
Bianca Comparato as Michele Santana, a smart and sly young woman who has a very strong sense of justice. She has no family and was raised by her brother, who did not return after being sent to the Process.(seasons 1–4)
Michel Gomes as Fernando Carvalho, raised by his father, who fostered in him the singular purpose of passing the Process. A wheelchair user, Fernando is disdained by some candidates who do not believe in his chances to successfully complete the Process. (seasons 1–2)
Rodolfo Valente as Rafael Moreira, egocentric, selfish, sarcastic, and willing to do anything to pass, even cheat. He hides his mysteries and believes the ends justify the means.(seasons 1–4)
Cynthia Senek as Glória, Fernando's close childhood friend. (seasons 2–4)
Vaneza Oliveira as Joana Coelho, an orphan who survived on her own at the margins of society, on the streets of the Inland. Intelligent and capable, she interacts with very few candidates and shows little interest in the Process.
Rafael Lozano as Marco Álvares, from a family known to always pass the Process and who are waiting for him in the Offshore.
Viviane Porto as Aline, a young and ambitious employee of the Council, with the mission to overthrow Ezequiel and become the next head of the Process. (season 1; guest season 2)
Samuel de Assis as Silas, a compassionate Inland doctor, but also a member of the Cause. (season 2; guest season 4)
Laila Garin as Marcela Álvares, Offshore's military commander, and later, the head of the Process. (seasons 2–4)
Bruno Fagundes as André Santana, Michele's brother and the first Offshore citizen to commit a murder. (seasons 2–4)
Thais Lago as Elisa, a doctor in the Offshore and Rafael's girlfriend. (seasons 2–4)
Mel Fronckowiak as Júlia, Ezequiel's wife and an employee of the Process, who ends up being depressed and in doubt about her actions. (season 1; guest season 2)
Sérgio Mamberti as Matheus, a member of the Council. (season 1)
Zezé Motta as Nair, a member of the Council who serves as a friend to Ezequiel.
Celso Frateschi as the Old Man, the founder of the Cause. (seasons 1–2; guest season 4)
Luciana Paes as Cássia, head of security for the Process. She is extremely loyal to Ezequiel. (seasons 1–2; guest season 4)
Dárcio de Oliveira as Antônio, a spiritual leader and Fernando's father. (seasons 1–2; guest seasons 3–4)
Luana Tanaka as Ágata, a candidate in Michele's group. (season 1)
Roberta Calza as Ivana (seasons 1–2; guest season 3)
Creator and writer Pedro Aguilera developed3% from a 2009 independentpilot episode.[10] Netflix gave the series an 8-episode order for the first season.[11][12] It is the first Portuguese-languageNetflix original series and the second non-English production, after the Spanish-language seriesClub de Cuervos.[13]
Academy Award-nominated cinematographerCésar Charlone, known forCity of God andBlindness, served as director alongside Daina Giannecchini, Dani Libardi, and Jotagá Crema. Charlone also serves as an executive producer, alongside Tiago Mello.[2] The first season became available onNetflix worldwide on November 25, 2016.[11][12] In December 2016, Netflix renewed the series for a second season, which was released on April 27, 2018.[4][5] On June 4, 2018, the series was renewed for a third season, which was released on June 7, 2019.[6][7]
On March 11, 2016, Netflix announced the filming of the series inSão Paulo.[14] Theprincipal photography for the first season began with the primary location at the interior of theArena Corinthians, chosen for its luxurious and futuristic design and used as "The Process" building.[15] A scenographicfavela was built in a large abandoned factory in the neighborhood ofBrás, central Region of São Paulo (representing the "Inland") and with some other scenes shot at the outskirts of the city, such as in the neighborhoodsHeliópolis,Vila Madalena, Parque da Juventude and Ocupação Cine Marrocos.[16]
Exterior scenes for the second season's "Offshore" were filmed at theInhotim Institute inBrumadinho,Minas Gerais. Most of the scenes shot at Inhotim are concentrated in the central gardens – especially in the place where the statue of the "Founding Couple" stands, inserted using CGI. But three other pavilions also served as filming locations:Adriana Varejão pavilion (where the characters access the submarine), Cosmococas, byHélio Oiticica (the military center) and Sonic Pavilion, byDoug Aitken (where the council meeting takes place).[17]
The third season included as new filming location the conservation unit Dunas do Rosado atPorto do Mangue,Rio Grande do Norte, used for the scenes of the "Shell".[18]
On thereview aggregatorRotten Tomatoes, the first season holds an approval rating of 85%, based on 20 reviews, with an average score of 6.5/10. The critical consensus reads: "Despite comparisons to other teen-centric dystopian thrillers,3% separates itself from the pack by focusing on characters with complicated backstories and personalities."[19] Liz Shannon Miller gave the first season a B+ in her review forIndieWire, saying that the series left her "surprised and impressed."[20] Calum Henderson of theNew Zealand Herald said in his review "The characters are the show's strongest point, though, and it skillfully introduces the six core candidates throughout the Process' preliminary challenges in the first episode."
Doppio Games, in association withNetflix, developed afree-to-play voice-based game based on the series, released toAmazon Alexa andGoogle Assistant. The game featured a prequel storyline written in collaboration with Pedro Aguilera, showrunner and writer of the series.[24][25] It was shut down on August 12, 2022.[26]