What is social inequality in gender?

Every society on Earth has some degree of inequality and
discrimination, in part because there is some human nature involved in how we treat and
perceive others.

But if you are looking for examples of
these inequalities, consider the following ways we find them in the
world:

1)  Race - America has
elected its first African-American President, a clear example of social progress.  At
the same time, a majority of Caucasian voters did not support Obama.  While certainly
not all of that opposition or even most of it could be based on race, certainly a degree
of it was, and racism in certain regions of the country, along with certain age groups
(over 65) it tends to be more common.

2) 
Gender - Women on average still earn only 77 cents for
every dollar earned by a male.  A small minority of elected officials are female, even
though they represent almost 53% of the overall population.  Women are equal in law, but
not yet in social practice.

3)
Education - Everyone has the right to attend school in the
United States, but that doesn't mean the schools, the teachers or the education is
equal.  Inner city schools are notoriously underfunded and staffed.  Schools with more
violence and crime could be said to be discriminating against those who are poor based
on where they are forced to live and attend school.

4) 
Class - Those who live in poverty are forced to live in
places they can afford, while the wealthy are able to live wherever they want.  They are
also able to afford more fire and police services, better schools and health care, while
those in poverty have all the rights of ordinary Americans, they face economic
discrimination in their daily lives.