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The listing was released as
of the annual "Best Countries"
. This survey adopted "a global perceptions-based"
in examining data and attitudes. It used
from the World Bank, as well as the
of 20,000 people in the Americas, Asia, Europe, the Middle East and Africa. Researchers tested countries against 65 different
, or what the researchers called "country attributes". These included
equality, well-developed
education and healthcare systems, human rights, gender equality, safety, family
and levels of
happiness. Switzerland once again topped the "Best Countries" list, followed by Canada and Japan.