1
emigration from [place] to [place]
from…to…分别表示移出地和移入地。
The emigration from Norway to America changed both countries.
从挪威到美国的移民改变了两国。
移居国外；移民出境
先理解核心含义，再看它在真实句子里的用法。
移居国外；移民出境
emigration
The emigration from Norway to America changed both countries.
从挪威到美国的移民改变了两国。
移居国外的行为；指离开本国或本地区以永久定居他处。
The act of emigrating; movement of a person or persons out of a country or national region, for the purpose of permanent relocation of residence.
移民群体；全体移民。
A body of emigrants; emigrants collectively.
After losing his job, Mark began to consider emigration.
失业后，马克开始考虑移居国外。
Emigration from the island nation has increased over the past decade.
过去十年里，这个岛国移居国外的人数有所增加。
The application process made emigration feel more complicated than she had expected.
申请过程让移居国外变得比她预想的更复杂。
from…to…分别表示移出地和移入地。
The emigration from Norway to America changed both countries.
从挪威到美国的移民改变了两国。
of 后接某类人，表示移居者的类别。
The emigration of nurses worries the health minister.
护士移居国外令卫生部长担忧。
to 后接目的地，常与表示增减的动词连用。
Emigration to Canada increased in the 1970s.
移居加拿大的人数在20世纪70年代有所增加。
Not this
Emigration to the United States has increased, so many foreigners are coming in.
Use this
Immigration to the United States has increased, so many foreigners are coming in.
emigration 指移出本国、移居国外，方向是离开；若要表示外国人进入美国定居，应用 immigration（移入）。中文“移民”不区分方向，这是受母语影响导致的混淆。修正后方向与句子含义一致。
Not this
They decided to emigration to Canada last year.
Use this
They decided to emigrate to Canada last year.
emigration 是名词，不能放在 to 后面作动词；表示“移居”这个动作应用动词 emigrate。中文“移民”可兼作名词和动词，导致学习者误用名词形式。修正后动词不定式结构才正确。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
大规模移民出境
The famine caused mass emigration from Ireland.
饥荒导致爱尔兰人大规模移民出境。
被迫移居国外
Many families faced forced emigration during the war.
战争期间许多家庭被迫移居国外。
移民出境政策
The government introduced a new emigration policy.
政府出台了新的移民出境政策。
鼓励移居国外
High unemployment encouraged emigration from rural areas.
高失业率促使人们离开农村移居国外。
经济原因移居国外
Economic emigration was common in the early twentieth century.
二十世纪初，因经济原因而移居国外很常见。
Use emigration naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
开头字母 e 像 exit（出去），记住 emigration 是移居国外、出境移民；字母 i 开头才是移入。
语域：formal 常见场景：移民政策讨论、人口统计资料、历史研究文献 emigration 通常用于正式或书面语境，多出现在政策、统计、历史等讨论中；日常口语更常说 move abroad 或 go to live in another country。
The words above all share the final /eɪʃən/ sound, which matches the stressed part of emigration (/ˌemɪˈɡreɪʃən/). Beware lookalikes such as emigrant (/ˈemɪɡrənt/) and emigrate (/ˈemɪɡreɪt/): their stress falls earlier and their endings differ, so they do not rhyme with emigration.
Dictionary facts from ECDICT, WIKTIONARY.