What are the challenges of brain drain?

Oct 28, 2015 ... “The new estimates highlight the crucial need for countries to improve data collection for both HSV types and sexually transmitted infections in ... Looking at the population projections for the world population until 2050, what is the trend related to fertility? As fertility decreases, population size ... Apr 14, 2024 ... Vatican City holds multiple titles for its size — the smallest country in the world by area, the smallest country in the world by population and ... Feb 15, 2025 ... The Smallest Countries and Territories, by People. With just 500 residents, Vatican City is the world's least populous sovereign nation. It is ... United Nations Population Fund · ENESFRAR. Back. Search. Search. Main navigation ... Interwoven Lives, Threads of Hope. State of World Population 2024 ... Jan 12, 2024 ... Two predominantly Catholic countries, Italy and Spain, have some of the smallest average completed family size (1.3 children and 1.2 ... World Population Prospects publishes United Nations population estimates for all world countries ... world's third most populous country in 2025 (347 ... May 3, 2024 ... Many of the world's richest countries are also the world's smallest ... country's population is relative to another's. The reason why “rich ... Oct 15, 2024 ... It has an estimated population of 168.12 million people, making it the world's eighth most populous country. The country itself is fairly ... Population of Overseas Indians. Sl.No. Country. Non-Resident. Indians (NRIs). Persons of. Indian Origin. (PIOs). Overseas. Indian. 1. Afghanistan. 3087. 19.