In some countries, the punishment for treason can be life in prison.
Examples (Wiktionary)
Mandarin
为自己的叛国行为抵罪
為自己的叛國行為抵罪
wèi zì jǐ de pàn guó xíng wéi dǐ zuì
to atone for one's treason
Mandarin
时代和历史将铭记党和革命的敌人、人民的仇敌、穷凶极恶的叛国贼张成泽令人切齿痛恨的罪状。
時代和歷史將銘記黨和革命的敵人、人民的仇敵、窮兇極惡的叛國賊張成澤令人切齒痛恨的罪狀。
shí dài hé lì shǐ jiāng míng jì dǎng hé gé mìng de dí rén , rén mín de chóu dí , qióng xiōng jí è de pàn guó zéi zhāng chéng zé lìng rén qiè chǐ tòng hèn de zuì zhuàng .
The era and history will eternally record and never forget the shuddering crimes committed by Jang Song Thaek, the enemy of the party, revolution and people and heinous traitor to the nation.
In May 2015, South Korean National Intelligence Service person in charge disclosed to the National Assembly that Minister of the People's Armed Forces Hyon Yong-chol, who was North Korean Military No. 2 person in charge, was executed for treason. They also claimed that Hyon Yong-chol was shot dead by anti-aircraft gun — so called "execution by artillery fire".