Let's talk about North Korea. Does it qualify as a socialist state? Most of the criticisms which have been leveled at North Korea say that their extensive personality cult arround their leaders is monarchistic and quasi-religious, and that they have scrapped Marxism-Leninism from their constitution. Both criticisms are legitimate in my opinion, but they are also irrelevant when it comes to a marxist analysis of wether or not North Korea is socialist. Juche and the extensive leader worship might be revisionist, but is it really an economic form of revisionism, of the likes we have seen in Russia and China? I don't think so. The break with Marxism-Leninism is mostly in name, made as a political decision after the downfall of the Eastern Bloc, and the DPRK, being located next to its giant neighbour China, had to give up playing both sides after the Soviet-Sino-Split - however, they still uphold socialism as their economic and political system.
I guess my approach is the following: Can the Juche idea be considered the specific expression of a socialist construction tailored to the conditions the North Korean people find themselves in? The limitation of civil liberties and leader worship can not only be culturally explained due to the strong roots of the Korean strain of Confucianism within Korean society, but also first and foremost by the fact the capitalist world wages an unprecendeted form of economic terrorism and information war against the small country. Facing the entire capitalist world without blinking, it is almost inevitable that they become hermeneutic and isolated. It is also worth noting that contrary to western information, the DPRK is almost entirely self-sustainable, and the influence of China regarding North Koreas survival is often overstated, as trade with China makes up less than 5% of the annual GDP of the DPRK. All in all, the economy of North Korea has barely changed, there is no private property and no market (except in the Special Economic Zones which are irrelevant), industry and big agricultural cooperatives are being controlled by a planned economy managed by a government chosen by the Supreme People's Council which delegates are nominated by the Pioneers, the Kim Il Sung Socialist Youth League, the Korean Democratic Women's League, and the Red Cross Society of the Democratic People's Republic of Korea, worker councils and trade unions - this qualifies as a dictatorship of the proletariat. Small worker-controlled firms, farms and one-man-businesses operate independently to allocate and distribute consumer goods locally and are represented in the Local People's Committee which works directly as an executive arm of the government. Due to the sanctions and their planned economy, production in the DPRK is almost exclusively for use, which implicates that both the commodity form as well as the law of value operate very differently from capitalist states.
I'd like to share a link to this think tank that is very informative and in-depth regarding North Korea. Since it's American, it can't really be accused of being biased towards North Kora.
There also have been misconceptions in claiming that the DPRK entertains a social caste system fueled with racism and nationalism. The claims of the western authors, who never even been to North Korea and base their assumptions on hearsay, are debunked here:
rhizzone.net
liberationnews.org
Also, accumulated DPRK counter-narrative:
vngiapaganda.wordpress.com
North Koreas economy growing steadily: