For that indicator, The Swiss Institute of Technology in Zurich provides data for Japan from 1970 to 2016. The average value for Japan during that period was 45.53 points with a minumum of 29.85 points in 1970 and a maximum of 65.08 points in 2016.
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use the country comparator to compare trends over time.
The KOF Economic Globalization Index for Japan and other countries has two dimensions. First, it measures the economic flows between Japan and the rest of the world in terms of international trade and international investment. The question is whether Japan exchanges a lot of goods, services, and investments with other countries. Second, it measures the restrictions to trade and investment such as tariffs and capital controls on international investment. Each dimension is based on several variables that are combined in one overall index that ranges from 0 to 100. More information and the original data can be obtained here.
Definition: Economic globalization has two dimensions: actual economic flows and restrictions to trade and capital. The sub-index on actual economic flows includes data on trade, FDI, and portfolio investment. The sub-index on restrictions takes into account hidden import barriers, mean tariff rates, taxes on international trade (as a share of current revenue), and an index of capital controls.