Editing Country data Japan

{{ {{{1<noinclude>|country showdata</noinclude>}}}
| alias = Japan
| flag alias = Flag of Japan.svg
| flag alias-1870 = Flag of Japan (1870-1999).svg
| link alias-1870 = Empire of Japan
| flag alias-1945 = Flag of Allied Occupied Japan.svg
| border-1945 =
| flag alias-1947 = Flag of Japan (1870-1999).svg
| flag alias-ryukyu = Flag of US Occupied Ryukyu Islands.svg
| border-ryukyu =
| flag alias-naval = Naval Ensign of Japan.svg
| flag alias-coast guard = Ensign of the Japanese Coast Guard.svg
| link alias-coast guard = Japan Coast Guard
| link alias-naval = Japan Maritime Self-Defense Force
| flag alias-army = Flag of JSDF.svg
| link alias-army  = Japan Ground Self-Defense Force
| flag alias-air force = Flag of the Japan Air Self-Defense Force.svg
| link alias-air force = Japan Air Self-Defense Force
| flag alias-air force-1955 = Flag of the Japan Air Self-Defense Force (1955-1957).png
| link alias-air force-1955 = Japan Air Self-Defense Force
| flag alias-air force-1957 = Flag of the Japan Air Self-Defense Force (1957-1972).png
| link alias-air force-1957 = Japan Air Self-Defense Force
| flag alias-air force-1972 = Flag of the Japan Air Self-Defense Force (1972-2001).png
| link alias-air force-1972 = Japan Air Self-Defense Force
| flag alias-military=Flag of the Japan Self-Defense Forces.svg
| link alias-military=Japan Self-Defense Forces
| flag alias-marines=Flag of JSDF.svg
| link alias-marines=Japanese Amphibious Rapid Deployment Brigade
| flag alias-navy = Naval Ensign of Japan.svg
| link alias-navy = Japan Maritime Self-Defense Force
| {{#ifeq:{{{altlink}}}|A national rugby union team|link alias-rugby union|empty}} = Junior Japan
| size = {{{size|}}}
| name = {{{name|}}}
| altlink = {{{altlink|}}}
| variant = {{{variant|}}}
<noinclude>
| var1 = 1870
| var2 = 1945
| var3 = 1947
| var4 = ryukyu
| redir1 = JPN
| related1 = Empire of Japan
</noinclude>
}}