Namibia -- (23 Apr. 1990) Nauru -- (14 Sept. 1999) Nepal -- (14 Dec. 1955) Netherlands -- (10 Dec. 1945) New Zealand -- (24 Oct. 1945) Nicaragua -- (24 Oct. 1945) Niger -- (20 Sep. 1960) Nigeria -- (7 Oct. 1960) Norway -- (27 Nov. 1945)