Switzerland, norway, and iceland
Social stratification refers to a system which people in a given community are divided into layers according to their relative property, power, and prestige. Great Britain has a class system that is divided into a class system that is divided into lower, middle and upper classes of which only 1% of the population falls under the upper class of the most powerful and highly educated, while the rest is evenly divided into middle and lower (working) class.
The former Soviet Union mainly focuses on socialism with no division of social classes, through this citizens contribute their labour to the common good and receive according to their needs.
Life expectancy has gone from 47 to 80
Answer:
Please write in English so people can understand you and help you