The new index report is another wake-up call The 2021 Least and Most Stressful Cities Index research report which put Lagos as the second most stressful city in the world after Mumbai in India, could not have come as a surprise to residents. But given the importance of environment to mental health and general well-being, the authorities in Lagos State should be concerned about the report. The researchers, who rated Reykyavik in Iceland, as the least stressful, assessed 100 cities for their size and significance, as well as for availability of reliable and comparable data. The study consists of four broad categories – governance, city, finance, and citizen’s health –each made up of indicators that determine how stressful a city is to live in. The report lists the top-10 most stressful cities as: Mumbai in India; Lagos, Nigeria; Manila, Philippines; New Delhi, India; Baghdad, Iraq; Kabul, Afghanistan; Moscow, Russia; Karachi, Pakistan; Jakarta, Indonesia; and Kiev in Ukraine.