Malayalam-language professional practice spans Kerala (population ~35 million), Lakshadweep, plus the Malayali diaspora — one of India's most internationally distributed regional diasporas, with concentrations in the Gulf states (where Malayali workers form a substantial portion of the workforce in healthcare, engineering, education and retail), the UK and the US (particularly in healthcare — Malayali nurses are a substantial portion of NHS and US-hospital nursing workforces), Singapore and Malaysia, and growing presence in Canada, Australia, Germany and Ireland.
Kerala's economy is distinctive among Indian states: high human-development indicators, high remittance flows from the Gulf diaspora, deep healthcare and education infrastructure, a substantial spice-and-plantation economy, IT-services growth in Thiruvananthapuram and Kochi, port-and-shipping infrastructure (the Vizhinjam port project, Kochi port, the international container transhipment terminal), and a globally important medical-tourism sector (Aster, Aravind Eye Care, KIMS, Amrita Hospitals, Lakeshore Hospital, and a deep network of Ayurveda wellness centres).
The Malayalam-language professional infrastructure includes Malayalam-language professional press (Malayala Manorama — one of India's largest-circulation newspapers, Mathrubhumi, Deshabhimani, Madhyamam), trade publications, deep migration-and-credential bridges to the Gulf (where the Kerala-Norka Roots agency runs structured pre-departure orientation, credential attestation and welfare programmes for migrant workers), and well-developed nursing-and-healthcare credential bridges to the UK and US. For the expat-relocating persona, the Kerala-to-Gulf and Kerala-to-Anglosphere-healthcare migration corridors are the most mature in India in their respective fields.