The menorah-candles are lit in the home, special prayers are added in the synagogue services, and traditional songs and blessings are said. There are also traditional foods. See also:
Slightly less than the percentage of Jews in each country (since Hanukkah is a Jewish festival and most but not all Jews celebrate it).
Almost all Jews celebrate Hanukkah.
They don't. Jews believe that Jews should celebrate Hanukkah.
Only the Jews in Mexico celebrate Hanukkah.
No. No one is forced to do anything. Hanukkah is celebrated voluntarily because it's a joyful festival and a religious occasion of thanksgiving to God.
French Christians celebrate Christmas. French Jews celebrate Hanukkah.
Jews around the world celebrate Hanukkah, including in Israel.
Yes, most of them do. Hanukkah is a religious holiday with special prayers and Torah-readings, but most non-religious Jews celebrate Hanukkah too.
Yes they do :p
Yes, Jews celebrate Hanukkah in many different countries.
The same as Jews everywhere.
Hanukkah is celebrated for eight days starting on the 25th of Kislev, which occurs in December or late November, moving around slightly from year to year in the Gregorian calendar. See also:More about Hanukkah