“How many politicians does it take to change a lightbulb?” is a joke with many punchlines. A popular version is:
   
Q: How many politicians does it take to screw in a light bulb?
A: Not sure, first they have to figure out which way to spin it.
 
The joke was posted on Twitter by Geert Emmens (and others) on September 17, 2014. The joke probably originated on the Sickipedia website.
   
     
Wikipedia: Lightbulb joke
A lightbulb joke is a joke that asks how many people of a certain group are needed to change, replace, or screw in a light bulb. Generally, the punch line answer highlights a stereotype of the target group. There are numerous versions of the lightbulb joke satirizing a wide range of cultures, beliefs and occupations.
 
Early versions of the joke, popular in the late 1960s and the 1970s, were used to insult the intelligence of Poles (“Polish jokes”).
 
Twitter
Geert Emmens
@Geertema
Gevonden:
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it.
3:38 AM · Sep 17, 2014·Twitter Web Client
     
Twitter
Max Mufc
@maxmufc7
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it.
4:41 AM · Sep 17, 2014·Twitter for iPhone
   
Twitter
Russell Cox
@RussWWFC
How many politicians does it take to screw in a light bulb? Not sure, first they have to figure out which way to spin it.
9:18 AM · Sep 17, 2014·Twitter for Websites
   
Twitter
Bob Kostic
@causticbob
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it.
5:07 PM · Sep 18, 2014·Twitter Web Client
     
Reddit—Cleanjokes
Posted by u/madazzahatter September 18, 2017
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it…
 
Twitter
Bob Kostic
@causticbob
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it.
7:51 AM · Sep 18, 2018·Twitter Web Client
 
Twitter
Bob Kostic
@causticbob
How many politicians does it take to screw in a light bulb?
Not sure, first they have to figure out which way to spin it.
7:25 PM · Sep 18, 2020·Twitter Web App