The dutch tax service even has a great slogan for this ideology: "Leuker kunnen we het niet maken. Wel makkelijker". Roughly translated, this means: "We can't make it nicer. But we can make it easier.".
Every year, they add some improvements to the entire system. They basically prefill your entire income and capital. Including stocks, dividends and other things. The only things you need to fill in yourself are some of your deductions (there are some which are prefilled as well).
They open the filing of taxes every year on march first. And every year there are lots of people who fill it in on the first day. This year there was even someone who handed their taxes in 18 seconds past midnight.
For those who are concerned about privacy: the banks are required to file your 1st of January balances and only the whole sum, not the specification and only the Social Security number in combination with the balances. You can specify more detailed (e.g. 'green' investments) but that is up to you.
Every year, they add some improvements to the entire system. They basically prefill your entire income and capital. Including stocks, dividends and other things. The only things you need to fill in yourself are some of your deductions (there are some which are prefilled as well).
They open the filing of taxes every year on march first. And every year there are lots of people who fill it in on the first day. This year there was even someone who handed their taxes in 18 seconds past midnight.