Solitary Confinement in Prisons: When Vulnerability is Punished

• Over 88,200 solitary confinement sanctions occurred in Spanish prisons between 2020 and June 2025.
• Solitary confinement is frequently used against vulnerable inmates—including those with mental health issues or disabilities—often in ways that contradict international human rights standards.

Types and Implementation

• Punitive Isolation (Article 42): Imposed for disciplinary infractions; ranges from 5 days to 14 days, with legislative loopholes allowing accumulation up to 42 days.
• Security Isolation (Article 75): Used for transfers or security concerns; applied 4,405 times in 2025. Despite women making up only 7.1% of the prison population, they account for 28.28% of this specific isolation type.
• First Grade Regime (Articles 91.2/91.3): An indefinite, high-security regime. Article 91.3 is the most restrictive, keeping inmates in cells for the majority of the time with minimal social contact.

Human Rights Concerns

• The UN Mandela Rules classify prolonged solitary confinement as torture and mandate it be used only as a last resort.
• Inmates report being sanctioned for minor infractions or due to retaliation from guards, noting that they often lack effective legal recourse to challenge these decisions.
• There is a systemic "presumption of veracity" favoring prison officials, making it difficult for inmates to win appeals in Penitentiary Surveillance Courts.

Living Conditions and Mental Impact

• Facilities are frequently described as unsanitary, with reports of vermin, pests, and poor maintenance in isolation cells.
• Isolation exacerbates mental illness, trauma, and cognitive decline; it is identified as a primary trigger for self-harm and suicidal ideation among inmates.
• Inmates are often barred from work programs or education for months following an isolation sentence, which hinders their eventual reintegration.

The Situation in Catalonia and Proposed Reforms

• Data indicates that solitary confinement sanctions in Catalonia were six times higher than in the rest of the Spanish state during 2024.
• A legislative working group has been established in the Catalan Parliament to address isolation, forced containment, and mental health policy.
• Advocates and experts argue for the total abolition of solitary confinement, proposing it be replaced by specialized therapeutic support for inmates in crisis.