Nationwide
National, Countrywide
noun, の adjective
When something involves all the country you know it's nationwide or national.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
全国にある
to be nationwide
全国にいる
to be nationwide
全国に広がる
to spread throughout the nation
全国のコンビニ
convenience stores nationwide
全国のみなさん
everyone in the country
全国の大学
universities nationwide
全国レベル
national level
全国ツアー
nationwide tour
全国大会
a national convention, a national sports competition
今、全国でインフルエンザの人が多いです。
Right now, there are many people with flu nationwide.
日本全国の山に行きたいです。
I want to go to mountains all over Japan.
あのバンド、来年に全国ツアーをするそうですよ。
That band is apparently going on a nationwide tour next year.