There are several disadvantages to a dictatorship, and the first is the most glaring. While dictatorship is not as inherently negative as Western society conditions us to believe, it cannot, by its very nature, be a long-term solution for government. This is because the regime is typically entwined with the life of a single person. When that person dies, another type of government or simply another dictator will take their place.

Another problem with dictatorships is that laws can be implemented immediately. Sometimes this can be a good thing, but with no checks and balances on the lawmaking process, can easily be—and is more often—used for ill.

Furthermore, an extended dictatorship often leads the country into isolationism. Dictatorships are typically frowned upon in international affairs, and over the years, sanctions will likely prevent a country from functioning effectively.

I should first say that dictatorships can be successful. In the West, we have a decidedly negative view. So, it is important to point out the other side. Now here are some weaknesses. 

First, dictatorships are usually based upon force and violence. Therefore, opposition often results in bloodshed. This makes for bitterness and potential rebellion in the future. Moreover, other nations do not look favorably on dictatorships. 

Second, since dictatorships are based on fear, the freedom of the people is curtailed. So, the creativity and expressions of the people will not burgeon. This is a big weakness, because many innovative initiatives in science, economics, and technology are driven by people who are free. 

Third, there is always the problem of succession. When the dictator grows old and dies, what will happen? If he keeps it in the family, a son may not be able to govern or even want to govern. There is also the possibility of a coup during these transitional times. 

Finally, the international community often shuns dictatorships. Sanctions and embargoes can cripple a dictatorship and keep them from flourishing.