Article revolves around the conspectus accentuating healthiness, quest significance of robustness in workforce proficiency, productivity and prosperity. Descriptive multination study articulated considering secondary data derived of various primary and secondary sources. Study embodies fifteen countries, five high, middle and low-income countries each, employing non-probability nonrandom sampling. Contrasted on considered variable embracing Health-Status, Intelligence-Quotient, Work-Capacity, Economic-Growth and Happiness-Score. Interpretation derived based on the statistical measurements and inferences. Computations performed employing Ms Excel. Complete compilation phase lasted for 2 months August to September ‘2017. Mentally and physically healthy individuals usually score higher in intelligence quotient, manages productive work hours, endures prolong life expectancies and tends to be more contented. Healthy status, intelligence quotient, economic growth, happiness score descends while work capacity ascends from high to low income countries. Healthiness drive workforce effectiveness and efficiency. Health diminutions, a growing concern globally, dispel proficiency, dissipates productivity, perplex prosperity. All means and measures should be encouraged actuating work dexterity concomitant with mental and physical wellbeing.