Hello folks, Data Science and Data Analysis are two of the most in-demand skills in the current technology world. All kinds of companies need them to improve their sales, profit, and overall business process. If you want to learn Data Science and Data Analysis and looking for some free online training courses to start your career, then you have come to the right place. Earlier, I shared the best Data Science courses. In this article, I will share free Data Science courses from Udemy and Coursera for both beginners and experienced programmers. You can join these courses to learn Data Science from scratch. They are also good to fill gaps in your knowledge if you are already doing Data Analysis, and the significant point is that they are completely FREE. If you look around, the majority of the companies are running around for data. Some are looking for the user's personal data, whereas some are looking for professional details of the user. For the last decade, every company has needed data to sell their products. Data comes in handy in several industrial processes. Products are being developed after proper data analysis of different users. These days, companies are looking for experts who can handle data for them. They need data analysts, and since it's a very new profession, little competition is there. Besides this, companies are ready to pay good salaries to data analysts. If you are looking for a career in this field, you need to learn the basics of data analysis, and if you need resources, you have come to the right place. In the past, I have shared free courses to learn machine learning and Microsoft Excel. In this article, you'll learn about 5 accessible data science and data analysis courses that you can attend to begin your career as a data analyst in 2025. All these courses are free and the best in their class. Besides this, all these courses are trusted by hundreds of students and have high ratings. By the way, if you need a comprehensive course and you don't mind spending few bucks to learn a valuable skill like Data Science, then I highly recommend you to join this list of best Data Science Courses from Udemy Coursera and Pluralsight. 5 Best Free Data Science + Data Analysis Online Courses on Udemy to Learn in 2025 Here is a list of the best online courses you can join to become a Data Analyst. These courses have been created by experts and trusted by many developers around the world. They are also very affordable as Coursera courses are free, and Udemy courses can be bought for just $10 on Udemy sales. 1. An Introduction to Data Science - [Udemy Free Course]This is one of the best free Udemy courses to learn Data Science. If you are a visual learner, this course is the best pick for you. Through this course, you'll learn to handle the data efficiently. In Data analysis, you need to have skills that will help you filter out the most essential data from a pile of unwanted data. This course will help you develop these skills; besides, you will learn about data science and its history. Apart from this, this course will provide you a road map to that master the data analysis field. After this course, you will easily distinguish between noise and real information. The most important feature of this course is that it’s a short and simple course that provides you value every second. This is a 44-minute video course and over 2100 students have enrolled in it so far. 2. Excel Data Visualization for Business Analysts [Free Udemy Course]This is another free online course from Udemy to learn Data Visualization. This course specifically deals with data stored in excel sheets. If you look into the industry that deals with data, you'll understand how vital excel sheets are. Every company has a department that deals with data, and this department is termed the data analyst department. To lead a successful professional career as a data analyst, you need to have an idea about excel sheets and their delivery. This course will help you get that vision. Instructors will help you build the skills to visualize the data to extract the most essential fields quickly and efficiently. Over 12 thousand students have enrolled in this 75-minute course. It is strongly recommended to enroll in this course to have a clear picture of the tools you are going to deal with in the future as a data analyst. 3. Intro to Data for Data Science - [Udemy Free Course]This one more online Data Science course from Udemy, which you can join for FREE. In data analysis, you will deal with data, of course, and you can't be a successful data analyst if you can't understand the data. This course will help you understand the data and the science behind it. In this course, you'll learn how to use the data and prepare the data to perform operations on it. You'll understand the complete process of extracting meaningful information from the pile of data. This course will help you learn the critical aspects of data, and these concepts will help you get better at data analysis. 4. Data Science Made Easy [Free Course from Udemy] One of the most straightforward online courses you'll find on the internet regarding data analysis. It's a 1-hour long video course recently launched, and it basically gives you the direction to pursue your desire to become a data analyst. This is an entry-level course, so don't expect to get detailed information about the subject. This is the essential step that you need to take to lead a successful data analyst career. Besides this, this course has a practical example of sports. So if you are a sports lover, you'll find it exciting, and at the same time, you'll get an exact idea about the path you need to follow to become a data analyst in 2025. In this course, you'll learn the following concepts: Data mining Data visualization Regression models All these concepts are fundamental when it comes to data analysis. You must attend this short and informative course. 5. IBM Data Science Professional Certificate [Coursera Certification] This Coursera course is specifically designed for the IBM platform. This course will help you understand Data Science in the IBM cloud environment and all its essential elements. In this course, you'll learn the following key concepts of data analysis: All the essential filters to sort, group, and generate desired results. SQL statements to manipulate data Real-time analysis of actual data sets. This course will help you kickstart your career as a data analyst like the other 1.8 lakh students. This is a detailed course, but it's going to be your one-stop solution as you won't need any additional courses regarding data analysis. That's all about the best free Udemy courses to learn Data Analysis and Data Science in 2025. If you want to become a Data Scientist, joining one of these courses is a good idea. Data analysis is the need of the hour. You can have a bright future as a data analyst, but you must understand that data analysis is a complex and essential task. You can't afford to get distracted. To increase your concentration, it is recommended to take at least 2-3 courses related to data analysis and then decide whether you actually want to be a data analyst or just a temporary fascination. 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If you find these free Data Science and Data Analysis online courses useful, please share them with your friends and colleagues. If you have any questions or feedback, then please drop a note. P. S. - If you can afford and looking for a comprehensive Data Science course to truly master the art of Data Science and learn all the tools, concepts, and theory, then I highly recommend you to join this The Data Science Course 2025: Complete Data Science Bootcamp course by 365 Careers on Udemy. It's the best Udemy course on Data Science and entirely with your time and money.