Little is known about the incidence and risk of cervical intraepithelial neoplasia (CIN) grade 3, adenocarcinoma in situ and invasive cervical cancer (CIN31) among migrants living with HIV in a European setting. We assessed the cumulative incidence (CuI) and hazard ratio (HR) of CIN21 and CIN31 in a cohort of women living with HIV (WLWH) (n 5 893) identified from the Swedish national HIV register and HIV-negative women (n 5 205,842) identified from the Swedish Population Register, matched on region of birth and age. Data was collected between 1993 and 2011 by linking our cohort with the Swedish National Cervical Screening Registry, collecting all cytological and histological results since 1993. The CuI of CIN31 was 13.1% [95% confidence interval (CI) 8.9-17.2] for WLWH and 2.1% (95% CI 2.0-2.2) for HIV-negative after 18 years of follow-up. WLWH had more than eight times higher, age and region of birth matched, risk of CIN31 than HIV-negative (HR 8.8: 95% CI 6.9-11.3). WLWH born in the East region, dominated by Thai women, had a two times higher risk of CIN31 compared with WLWH born in Sweden (HR 2.47: 95% CI 1.2-5.0), which remained after adjusting for immunosuppression. Our results showed a substantially increased risk of CIN31 among WLWH, which differed depending on birth region. Early HIV diagnosis and attendance to cervical cancer screening, with focus on migrants, is of crucial importance to minimize the incidence of cervical intraepithelial neoplasia.Women living with HIV (WLWH) are more likely than HIV-negative women to have persistent high risk-Human Papillomavirus (hr-HPV) cervical infections 1,2 and to develop cervical intraepithelial neoplasia grade 3, adenocarcinoma in situ and invasive cervical cancer (CIN31). 3,4 The risk of CIN31 increases with the degree of immunosuppression [5][6][7]