How many Countries Are the Members Of NATO?

How many Countries Are the Members Of NATO?A. 30
B. 29
C. 28
D. 27

NATO members signed an accord with Macedonia on Wednesday allowing the tiny ex-Yugoslav republic to become the 30th member of the U.S.-led alliance after a deal with Greece ended a 27-year-old dispute over its name. Macedonian Foreign Minister Nikola Dimitrov shakes hands with NATO Secretary General Jens Stoltenberg during a signature ceremony of the accession protocol between the Republic of North Macedonia and NATO at the Alliance headquarters in Brussels, Belgium February 6, 2019.
North Macedonia signed an accession protocol to become a NATO member state in February 2019, and became a 30th member state on 27 March 2020.