This is a list of countries by employment rate, this being the proportion of employed adults in the working age. The definition of "working age" varies: Many sources, including the OECD , use 15–64 years old, [1] but the Office for National Statistics of the United Kingdom uses 16–64 years old [2] and EUROSTAT uses 20–64 years old. This is a list of countries by unemployment rate.Methods of calculation and presentation of unemployment rate vary from country to country. Some countries count insured unemployed only, some count those in receipt of welfare benefit only, some count the disabled and other permanently unemployable people, some countries count those who choose (and are financially able) not to work, supported by The average unemployment rate of 5% is far exceeded by the Independent State of Samoa, the country with the highest unemployment in Oceania. On the other hand, youth unemployment is not as much of an issue there, as it sits at just below 18%.