Home Office · Immigration system statistics: small boat arrivals, asylum claims and NRM referrals datasets · 4 values

Modern slavery referral outcomes for small boat arrivals by nrm case outcome group

The outcomes of National Referral Mechanism referrals for modern slavery raised for people who arrived by small boat, split by outcome group — reasonable grounds decision, conclusive grounds decision, withdrawn or closed, or awaiting a decision — counted in the quarter the person arrived.

latest 12 months to 2025 Q4; 4 quarters summed · total 12,262 referrals · published 27 August 2026

Reasonable grounds decision: 7,828 (64%)64%Conclusive grounds decision: 3,724 (30%)30%Awaiting a decision: 580 (5%)Withdrawn/Closed: 130 (1%)
Reasonable grounds decision 7,828 (64%)Conclusive grounds decision 3,724 (30%)Awaiting a decision 580 (5%)Withdrawn/Closed 130 (1%)

Reasonable grounds decision is the largest nrm case outcome group at 64% of the total.

NRM Case Outcome GroupLatest 12 monthsSharePrevious 12 monthsChange
Reasonable grounds decision7,82863.8%5,210▲ 50.2%
Conclusive grounds decision3,72430.4%1,990▲ 87.1%
Awaiting a decision5804.7%210▲ 176.2%
Withdrawn/Closed1301.1%126▲ 3.2%

Source

Dataset
Immigration system statistics: small boat arrivals, asylum claims and NRM referrals datasets · sheet Data_IER_D05
Rows
all rows; values are the sum of the published rows for each nrm case outcome group and period.
Caveat
Whether a reasonable or conclusive grounds decision was positive or negative, or outcomes for referrals unconnected to small boat arrivals.
Parent metric
Modern slavery referral outcomes for small boat arrivals
API
/api/metrics/small_boat_nrm_referrals_by_outcome/vintages