The amount of UBI would be a sum that depend on the total price of standard basket of goods and services in each country. This basket should be a general EU wide standard and contain

  • monthly basket of food
  • reasonable monthly expenses for clothes
  • expenses for an urban transport in capital city
  • reasonable expenses for phone, internet and cable tv connection
  • housing expenses (incl. rent) in 2 rooms+kitchen in capital city's suburb, in most common house type

For adolescents, of course, at least the housing expenses may not included.