Explanation:

- Bihar has historically faced high poverty levels due to factors like high population density, limited industrialization, and low literacy rates.

- Jharkhand, a resource-rich state, struggles with poverty due to issues like insufficient infrastructure and rural socio-economic challenges.

- Odisha, although improving, has faced poverty issues, especially in rural and tribal areas, due to uneven development and natural calamities.

- Uttar Pradesh, due to its large population, shows significant poverty numbers, but ratios vary across regions.

The latest data indicates that Bihar often records the highest poverty ratio among these states.