Take the challenge to Live Below the Line.
This event is set in Australia, but poverty happens everywhere.
According to Wikipedia "Extreme poverty, absolute poverty, or abject poverty is stated as “a condition characterized by severe deprivation of basic human needs, including food, safe drinking water, sanitation facilities, health, shelter, education and information." It depends not only on income but also on access to services.”
I know someone who lives below the poverty line her blog is here..