Somalia was under the rule of the
Somali Revolutionary Socialist Party between 1976 to 1991.
During this period its GDP/Capita crashed (it went straight up until 1976 then the jareer aka bantu aka we wuz kingz asked for reparations) as can be seen here:
https://www.macrotrends.net/countries/SOM/somalia/gdp-per-capita
In this period (76-91 remember) the rest of the world GDP/Capita went straight up.
The socialists and the bantu black minority in the south turned the country into a mess.
Germany has never been a socialist country in any shape color or form. Well... since the 40s.
Adolf Hitler of course we all remember... He was smarter than other socialists because he did not nationalise companies but instead he treated them as a branch of the national-socialist party and got whatever he wanted out of them (you will build tanks now, you will do propaganda for us, etc). This was the only successful form of socialism in history but did not age very well. Obviously as usual, the very young gullible and idiotic socialists of today that can only be americans will call it "not real socialism". Before 30 years old humans miss a part of the brain called the pre-frontal cortex and historically this has explained their attraction to socialism. People with a full and fully working brain do not understand the attraction for santa claus.
Interestingly Germany has a low rate of people wasting years of their lives at school/university and they're much better off for it
Sweden had a sort of socialist experiment in the 70s, obviously it failed miserably because the idea itself is retarded, Sweden went from the world country with the highest growth since the 1800s to... well absolute shit.
Since then they shrank government, reduced regulations & spending, but still kept some pity throw stuff at migrants program which meant some modest growth came back but nothing like they used to have. Over 40% of their population are not ethnic swedes so if the goal was to attract migrants looking for benefits it worked. It will end badly.
During the 2020 covid hoax crisis Sweden decided to let all business keep running, and while the media called Bolsonaro a "fascist" and bla bla bla, of course they all kept their mouths shut about Sweden.
Norway was ran between 1945 to 1962 by the labour party was had a few socialist goals, big surprise it did not work out who would have thought, they were receiving free money from the USA, then the leftists got replaced by moderates then in 1981 by conservatives that brought back growth, in 1986 a labour woman replaced them and
she continued the conservative reforms but also brought in feminism which is why Sweden women are the most raped in Europe and also why Sweden women are the ones that go the LEAST towards STEM fields and earn the least

The more of a choice they are given the LEAST they do MEN JOBS.
Now Norway has the biggest wealth fund in the world with over 1 billion dollars coming from huge Oil reserves for a population of only 5 million, they have so much cash they could want socialism again but the very negative outcome they had is still in public memories so I don't see that happening any time soon.
In the end socialism has been tried in has ALWAYS failed. It has been tried by illogical gullible idiots for literally thousands of years, for example it was what destroyed the Roman republic and got it replaced for an empire (and migrants & refugees as they call "barbarians that sacked Rome" destroyed the empire and caused 1000 years of middle ages and misery). No matter how often it fails, how dumb it sounds, the overwhelming evidence against it, dum dums are always attracted to it. From a book on the madness of crowds "Civilizations are built by a small elite and ended by crowds of angry idiots". A good old few years to decades of suffering or even centuries of middle ages will exterminate bottom feeders through natural selection and then the elites will rebuild. Socialism most of the time results in the military taking over and rebuilding the country with an iron fist (which is why Mao & Stalin got rid of generals).
All we can do is sit back and smile as retards shoot themselves in the leg

As George Soros said (in my own words I don't remember the exact sentence) "The smart ones with an ability to predict would have been fine in nazi germany, prediction is so powerful it lets you avoid things like that".