Yes, inequality is getting worse every year. In early 2016 Oxfam reported that just 62 individuals had the same wealth as the bottom half of humanity. About a year later Oxfam reported that just 8 men had the same wealth as the world’s bottom half. Based on the same methodology and data sources used by Oxfam, that number is now down to 6.
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It’s not just the bottom half: A 500-seat auditorium could hold as much wealth as 70% of the world’s population.  According to the Forbes Billionaire List, the world’s richest 500 individuals have $4.73 trillion in wealth. Tables 2-4 and 3-4 of the GWD reveal that the poorest seven deciles of the world population own just 1.86% of the $256 trillion in global wealth, or $4.76 trillion. That’s over two-thirds of all the people on earth.
If you redistribute the wealth of the richest 6 men on Earth, you could double the wealth of about 3.7 Billion of the worlds poorest people.  If you redistribute the wealth of just the 500 richest people, you could double the wealth of about 5 Billion people.  There’s not a shortage of assets, there’s an appropriation of assets by the bourgeoisie.  The question of where communists would get the resources for social programs we propose is not a hard one to answer when you start looking at where the wealth is right now.  Take that 98% of the global wealth owned by the richest 30% of the population and use it to provide a good living to everyone.