Autism is much more common than most people think, with about 1 in 100 suffering from it, meaning that around 700,000 people suffer from autism in the UK alone. Autism is also a spectrum condition, which means that although there are common difficulties, people with autism will be affected in a different variety of ways. Estimates suggest one in 100 people in the UK has autism.
Four times as many boys as girls are diagnosed with autism. The number of diagnosed cases of autism has increased during the past 20 years, reportedly because of more accurate diagnoses. There is no cure, but a range of interventions is available.
Parents who have a child with ASD has an 18 percent chance of having a second child who is also affected. Studies have shown that among identical twins, if one child has autism, the other will be affected up to 95 percent of the time. In non-identical twins, if one child has autism, then the other is affected about 31 percent of the time. Extensive research has asked whether there is any link between childhood vaccinations and autism. The results of this research are clear: Vaccines do not cause autism.
Autism in adulthood is a big challenge at its most. Over the next decade, an estimated 500,000 teens (50,000 each year) will enter adulthood and age out of school based autism services. Of the nearly 18,000 people with autism who used state-funded vocational rehabilitation programs in 2014, only 60 percent left the program with a job. Of these, 80 percent worked part-time at a average weekly rate of $160, putting them well below the poverty level. Nearly half of 25-year-olds with autism have never held a paying job.
This short youtube clip shows the emotion that the parents of kids with autism feel and how the symptoms of their kids affect them.

In Louis Theroux extreme love autism he enters the life of a group of school kids with severe autism in one of the best schools for autism in America. He does this by speaking to them in school and seeing what they do differently at home as well. By going into their lives he has given the viewer a real idea about what life with autism is like.
https://www.autism.org.uk/about/what-is/gender.aspx