Slovakia has dropped one place compared to last year in the Global Peace Index (GPI) to 23rd on the list, according to data published by the Australian Institute for Economics and Peace on Wednesday. The institute compared the situation in 163 countries, basing the index on 23 factors relating to internal and external conflicts, military expenditures and the number of terrorist attacks, murders and other criminal activities. The Czech Republic was placed highest among the Visegrad Four (V4) countries, namely 10th. Hungary was placed 21st in the list and Poland 29th.