According to statistics released by World Bank's Tom Bundervoet, Laban Maiyo and Apurva Sangh towards the end of last year,   these are the top 10 poorest counties according to GDP per capita.

10. Homa Bay: $324

9. Baringo: $322

8. Busia: $319

7. Turkana: $317

6. Migori: $314

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5. West Pokot: $307

4. Samburu: $298

3. Elgeyo Marakwet: $293

2. Bomet: $282

#1. Mandera: $267