10 Best Data Science Programming Languages for Data Aspirants in 2021 – Analytics Insight

Data science programming languages are among the popular trends these days. Languages like Python, R, and SQL are the main foundations for most data scientists to guide them into the analytics roles and while others are useful for careers in areas like data systems development. Here are the 10 best data science programming languages all data aspirants should know in 2021.

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1 Python

Python is one of the most popular data science programming languages that is used by data scientists. This is because of its wide range of uses such as machine learning, deep learning, and artificial intelligence. All these are done using Python’s data science from scratch libraries such as Keras, scikit-Learn, matplotlib, and TensorFlow. Python can support data collection, modeling, analysis, and visualization to work with big data. This data science programming language is best used for automation. This is the best programming language for data science students.

2 JavaScript

JavaScript is also another popular data science programming language to learn. This is used for web development for its capability of building interactive web pages. It can be the best choice for creating and designing visualizations. Even though it is a great language to learn, it is more helpful in data science for beginners than primary data science programming languages aspirants.

3 Java

Write once, run anywhere is also a nickname to Java. It is another popular data science programming language that is being used by the top businesses in order to secure their enterprise development. Java is also being used for tasks involving data analysis, machine learning, and data mining. This data science programming language for data scientists can build complex applications from the scratch and can also deliver results much faster than the other languages too. Java is unlike other languages due to its garbage collection which makes the programming language more efficient.

4 R

R has been seeking a lot of attention these days from data scientists and gaining popularity as one of the data science programming languages. And R is easy to learn for statistical computing and graphics. All these make R ideal for data science professionals working with data science, big data, and machine learning. R can handle large and complex data sets as it is a powerful scripting language.

5 C/C++

C is a great data science programming language to learn data science programs because it is one of the earliest programming languages and C/C++ is their codebase. Most of the data scientists do not know C/C++, due to their ability to the codebase. This programming language has a much broader command of its applications. The advantage of C/C++ allows developers to dig deeper and fine-tune certain aspects of the application that otherwise wouldn’t be possible.


SQL is the most vital data science programming language that is used to learn to become data scientists. This programming is important to handle structured data. SQL gives access to data and statistics which makes it a very useful resource for data science. A database is mandatory for data science, thus making using a database language such as SQL a necessity. People dealing with big data need to have a great command over SQL in order to query databases.


MATLAB is a powerful tool used for mathematical and statistical computing, which allows the implementation of algorithms and user interface creation. When we talk about UI creation is easy with MATLAB due to its built-in graphics for creating data plots and visualization.

Learning MATLAB is a beneficial way to easily transition into deep learning, due to its functionality of deep learning.

8 Scala

Scala is a powerful data science programming language that is the best fit for data science professionals. Scala is most ideal to work with high-volume data sets. It allows interoperability with Java which provides many opportunities for someone working in data science. Scala can also be used with a spark to handle large amounts of siloed data. This data science programming language also has a vast number of libraries.

9 Julia

Julia is another popular language that is in rising demand. It is a multi-purpose programming language that is created for numerical analysis and for scientific computing. And due to this very reason, many high-profile businesses are focusing on time-series analysis, space mission planning, and risk analysis. Even though Julia is a dynamically typed language, it is capable of being used as a low-level programming language if needed.

10 SAS

SAS is a tool that is used for analyzing statistical data which is used for statistical analysis. The main purpose of the tool is to retrieve, report and analyze statistical data. SAS probably can create many opportunities in the coming days.

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