Immigration is, broadly defined, the movement of peoples from one nation to another. The number of people who are defined as "immigrants" has been on the rise each year as the world becomes more globalized, and in the year 2005 alone, over 190,000,000 people were considered "immigrants."
While immigrants travel to and from every country in the world, two of the main destinations for immigrants are the EU and the US. In the EU, 2005 alone saw a net gain of 1.8 million immigrants, which
"account[ed] for almost 85% of Europe’s total population growth in 2005." For example, since 2000, Spain has added a full 10% of its population in immigrants.
Here in the US, the debate is generally focused on two different types of immigration - "legal" and "illegal."
Over the past 10 years, the US has averaged approximately 1 million legal immigrants per year,
mostly from Mexico, China, India, and the Philippines. In addition, the US accepts approximately 70,000 refugees each year, a number that dwarfs that of any other country.
On the flip side, the US has a significant population categorized as "illegal immigrants," which are individuals who have entered the country through some method other than the prescribed channels. As of March 2006,
this group was estimated to total 11.5-12 million, according to the Pew Hispanic Center.
Approximately 850,000 more arrive each year.
That's about all I have time for now, but all are welcome to add onto this.
Some topics I'm hoping that will eventually get covered:
-Reasons for illegal immigration
-Historical context
-Enforcement polices
-Traditional stances of different political/ethnic groups
-Claims about impact on economy, health care system, schools, crime
-Different proposals of presidential candidates