The question to ask is why capital gains tax should be lower than taxes on wages? If encouraging work is the priority, it should be the other way round.
https://www.nerdwallet.com/blog/taxes/capital-gains-tax-rate...
At a 6% return, you need around $800k+ to get the equivalent of a $50k salary before taxes from the interest earned on your savings. When you factor in having to reinvest some of your returns to beat inflation and make up for some years of low or negative returns, you might only draw maybe $20-25k out of that $800k portfolio. Then you get taxed on it at 20% capital gains along with any state taxes, and it all adds up to a lot less money to live off of.
Most people who want higher capital gains do not have a portfolio of this size nor have they explored the reality of living off a portfolio of this size. Work to the grave I guess.
You realize that 50k salary is rather close to the median individual income in the US, right? Why should the fact that you've got 800k making money for you mean that you should be taxed less than someone that earned their 50k through wages and tips?
Edit: Another way to think about it: Both the investor and the wage earner added value to their respective markets which was valued by their markets at 50k over the year. Why should one of these market actors be taxed lower than the other?
the lower rate of taxation incentivizes one to invest that money in legit investments, rather than spend it on discretionary consumption or invest it in an illicit vehicle that provides an untaxed return.
> Why should one of these market actors be taxed lower than the other?
I personally don't think they should but another way of looking at it is that people usually have to work (the enormous pile of cash came from someone somewhere, even if it wasn't the person who has it now). so theres no incentive for the government to cut the worker a tax break. but when you have money in the bank you can do many things with it. a lower capital gains tax allows the government to earn some revenue on the money and helps keep that person from spending it all on fun stuff and driving up the cost of resources with 800k worth of bids.
my prevailing theory is the common belief that an investor's money brings in more economic knock-on effects, and the $50k earned by the wage earner is less "powerful". in order to incentivise the investor, they are given a tax break.
this isn't helped by the fact that those in position to make this sort of tax law are also beneficiaries of said law.
As a thought experiment imagine if everyone did this, or it was everyones goal.
If you are talking about non-retirement people, I don't expecting to live your entire life off of 800k in savings is realistic or something we should encourage. We need people working and producing things.
1. Earned income 2. Investment income 3. Gambling/lottery/short term income
Tax rate should increase as you go down that list.
Though, it should really be a tiered system in that case - different tax rates for holding periods of <1 yr, 1-2 yr, 2-3 and so on, instead of just <1 yr & >1yr