* Where they are immigrating to: Different countries have different immigrant populations, and thus different dominant languages.
* What time period we are talking about: Immigrant demographics change over time.
* How "immigrant" is defined: Are we talking about all immigrants, or just those who are newly arrived?
However, some general trends can be observed:
* English: Is often the dominant language in countries with large immigrant populations, such as the United States, Canada, and Australia.
* Spanish: Is a major language spoken by immigrants in many countries, including the United States, Canada, and Spain.
* Mandarin Chinese: Is becoming increasingly common among immigrants due to the growing economic power of China.
* Hindi: Is also a major language spoken by immigrants, particularly in the United States, Canada, and the United Kingdom.
Ultimately, the most accurate way to determine the language spoken by most immigrants in a specific region or time period is to consult relevant data sources like:
* Census data: Most countries collect data on the languages spoken by their populations, including immigrants.
* Immigration statistics: These statistics often include information on the origin countries of immigrants and the languages they speak.
* Academic research: Social scientists and linguists conduct research on immigrant language use.
It's important to note that these statistics can vary widely depending on the specific region and time period being considered.