Summary
Estimating the global count of Java programmers presents a challenge, with figures varying widely from Oracle's 9 million to Wikipedia's 10 million. Since direct polling is impractical, estimations rely on indirect methods. These include analyzing government statistics on total programmers, consulting language popularity indices like TIOBE, reviewing employment portal data, and tracking software downloads such as Eclipse and Tomcat. By synthesizing data from these diverse sources, an approximate figure of 8,311,000 Java programmers worldwide is derived.
Oracle says its 9,000,000, Wikipedia says its 10 million, NumberOf.net gives the exact number of Java programmers, 9007346.
But how many Java programmers are there really? We cannot call everyone on the planet to ask whether he/she is a Java programmer or not.
So we can only rely on some indirect methods to estimate, such as government statistics (There are around 43 million programmers in the world), TIOBE and Langpop, Employment portals, Eclipse and Tomcat download numbers.
Download number of Eclipse :
- Eclipse Juno -- 8,000,000
- Eclipse Indigo -- 6,000,000
- Eclipse Helios --4,100,000
- Eclipse Galileo --2,200,00
- ........
By summarizing data gathered using above methods, there are around 8,311,000 Java programmers in the world.
Source : http://plumbr.eu/blog/how-many-java-developers-in-the-world
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