Data Analyst

Analyze data and model phenomena with realistic business cases. Start your career in Data Science now!

DiplomaBachelor's-level diplomaDurationFull time: 12 months

A flexible online program

Imagine starting a brand-new career at any time! Can’t commit to full-time? No problem, study at your own pace.

Real-world projects

Acquire the most relevant skills by completing 9 projects based on those required in your future career.

Individual learning support

Benefit from weekly mentoring sessions with an expert in the field.

Bachelor's-level diploma

Leave with a professional qualification and benefit from our hired or refunded guarantee.*


Data Analyst

DiplomaBachelor's-level diplomaDurationFull time: 12 months

Here at OpenClassrooms, we focus on high-demand roles, reverse-engineering our curriculum based on the skills needed to perform on the job.

We've built this one-year, bachelor’s-level diploma program in data analysis to enable our students to develop their careers in the growing data sector. This program is taught entirely online with one-on-one, weekly sessions with a dedicated mentor.

What will I do as a Data Analyst?

A Data Analyst's job is to analyze data and transform it into highly valuable metrics for a company. They are responsible for both data collection and data processing as well as guaranteeing data integrity.

A Data Analyst reports the results to various departments in the company. Therefore, a Data Analyst will need to develop communication and reporting skills to support decision-making processes.

A data analyst's responsibilities are diverse. They include:

  • Gathering data: standardizing it while maintaining its integrity.
  • Interpreting data: identifying trends and helping others make sense of it.
  • Presenting data: creating dashboards, visualizations, and written reports.
  • Analyzing data: supporting decision-making to improve the company’s strategy.

How much will I earn?

Here is what you can expect to earn in your career as a Data Analyst:

US Income Estimates:

  • Beginner: $60,000 to $70,000 per year
  • Senior: $70,000 to $100,000 per year

UK Income Estimates:

  • Beginner: £22,000 to £30,000 per year
  • Senior: £30,000 to £48,000 per year


Roles in data analysis are in high demand for full-time employment. Freelance Data Analysts have charged up to $500 or £400 per day of work.

What are my job prospects?

Companies around the world are looking for Data Analysts both in start-ups and in large enterprises.

This program will prepare you for the following careers:

  • Data Analyst (6,000+ jobs on
  • Marketing Analyst (10,000+ jobs on
  • Business Intelligence Analyst  (5,000+ jobs on

Who is eligible to enroll?

To be eligible to earn this path's diploma, candidates must demonstrate proof of one of the following prerequisites:

  • an associate's degree, or equivalent, in economics, finance, sales, marketing, software development or STEM.
  • or a high school/secondary school degree, vocational certificate, or equivalent, and at least 2 years of professional experience in economics, finance, sales, marketing, software development or STEM.

All other candidates will need to go through a specific admissions process:

  • demonstrate proof of an associate's degree, or equivalent, and at least 1 year of professional experience.
  • or, demonstrate proof of a high school/secondary school degree, vocational certificate, or equivalent, and and at least 3 years of professional experience.
  • Language: you will need to provide a certificate not older than 2 years to demonstrate a minimum level of English B2.

    Certificates accepted:

    • English Diploma from a secondary institution (private or public) or an accredited higher learning institution
    • Linguaskill minimum score: 160
    • BULATS minimum score: 60
    • TOEIC minimum score: 785
    • IELTS minimum score: 6.5
    • TOEFL iBT minimum score: 88
    • Cambridge FCE / CAE / BEC HIGHER / BEC VANTAGE minimum score or grade: B or 160
    • Certificate from a language center demonstrating a minimum level of B2 (including the number of training hours completed and the company signature or stamp)

    Don’t have one of these certificates? Find out where to take an exam.

  • Equipment: Access to a computer (PC or Mac), equipped with a microphone, a webcam and a good internet connection. Your computer doesn't need to be particularly powerful to complete this path, but it will need to meet the following requirements:
    • CPU: 2 x 64-bit, 2.8 GHz, core i3 ou AMD Ryzen 3 minimum (ideally core i7 ou AMD Ryzen 7),
    • RAM: 8 Go min (ideally 16 Go, but it's possible to use a free Google Colaboratory account for the larger datasets in the program).
    • Storage: recommended minimum of 256 Go.

The list of prerequisites was updated on the 3rd of November 2021 and applies only to new students on the path. If you have enrolled before this date, the previous prerequisites apply. As a reminder, here they are: "Fundamentals of probability, statistics and linear algebra".

What will I learn?

  • Perform database searches using SQL queries to retrieve relevant data.
  • Transform data into valuable information.
  • Create informative data visualizations.
  • Create dashboards and reports to facilitate the decision making process.
  • Apply key mathematical concepts for data analysis.

How will I learn at OpenClassrooms?

Our learning method is unique and revolves around two elements: professional projects and dedicated mentoring sessions.


At OpenClassrooms, learning is project-driven because that’s the fastest way to become proficient. Projects offer hands-on experience so you can hit the ground running when you start your new job.  

OpenClassrooms' Data-Analyst path has 9 projects that you’ll need to complete one at a time with the support of your mentor. You’ll receive a detailed brief with the context, deliverables and additional details. Then it’s up to you to go and make it real! To do this you’ll have to be creative, coming up with innovative solutions to the questions at hand.

Want to see an example of a project? Read our blog post here.


During your path, you will be allocated a mentor who will offer one-to-one support via weekly video conference sessions. This mentor will offer guidance on your projects, help define objectives and guide you until you reach them. Our mentors are dedicated professionals who are experts in their field and have experience in sharing their know-how with our students.

University of Massachusetts Global Partnership 

Logo of UMass Global
UMass Global

University of Massachusetts Global helps individuals continue their education for career growth by articulating OpenClassrooms Data Analyst training towards university credit and applying it to degree completion. Each program provides you with employer-designated knowledge, skills, and abilities needed in IT careers. Earn industry-recognized certifications along with degrees. Interested in business or other disciplines? Credit can also be used toward several other UMass Global programs.

UMass Global understands going back to school is not easy and recognizes every student comes to us with unique needs, providing you with the flexibility, affordability, and accessibility needed for successful education that fits your lifestyle. UMass Global is a nonprofit affiliate of the University of Massachusetts and is a fully accredited, nonprofit university designed for the busy adult. Offering over 90 programs and degrees in three learning modalities allows you to apply what you learn in courses in real-time, grow in your position, and gain the skills needed to take your career to the next level. With support from application to graduation, UMass Global is proud to have one of the highest graduation rates of any university of its kind.
Through OpenClassrooms and UMass Global’s partnership, wraparound support, and mentoring, individuals across the globe can make their career advancement dreams a reality.

To learn more, please click here.

Your diploma

  • OpenClassrooms is an online training educational establishment, declared as such by the French authority ‘le rectorat de l'Académie de Paris’.

  • Once you’ve completed your training program, and subject to a jury validating the required elements, you will receive the professional certification "Data Analyst", registered to the Répertoire National des Certifications Professionnelles (RNCP) from France compétences. This certification is a Bachelor’s-Level diploma (European Level 6) on the EQF (European Qualification Framework).

  • If you intend to continue your studies at another institution after this training program, contact that university or school in advance to learn their entry requirements for equivalency and/or credit transfer.

  • If you have at least 1 year of professional experience in this profession, you can earn this professional certification faster with the Validation of Acquired Experience (VAE). Learn more(in French)

Hired or refunded guarantee

  • You find a job in the 6 months following the date of validation of your last path project.

  • Otherwise, we guarantee the reimbursement of your tuition.*
    See more details


Data Analyst

DiplomaBachelor's-level diplomaDurationFull time: 12 months

A teaching method based on practical experience.

  • Acquire key skills for your future career with real-world projects.

  • Make progress with the support of an experienced professional.

  • Acquire concrete know-how and demonstrate it with a portfolio.

Detailed projects and skills

project 1

Start your journey as a Data Analyst

Set yourself up for success in your path. Find out what you are going to learn and get to know your mentor. You will also define your learning goals in this first project!
Duration30 hours
Skills acquired in this project
  • Prepare for your training
project 2

24 hours in the life of a Data Analyst

Today you must provide a monthly report to your manager. What figures will you choose? Which graphs will you include in your presentation?
Duration40 hours
Skills acquired in this project
  • Describe the role of a Data Analyst
project 3

Improve your client's Social Media strategy

You have landed your first freelance job as a Data Analyst for an online magazine! Analyze your client's user data and make recommendations to better target their Social Media audience.
Duration50 hours
Skills acquired in this project
  • Apply the concepts of the relational model using SQL
  • Prepare the database and dataset using SQL
  • Apply relational algebra operations using SQL
  • Retrieve and analyze data using SQL queries
project 4

Conduct a public health study

You are responsible for setting the parameters for a study on malnutrition. To guide future research, you will have to designate data points, identifying trends and areas for improvement.
Duration70 hours
Skills acquired in this project
  • Apply basic programming operations
  • Use Python Data Science libraries to solve a business problem
  • Use a notebook to facilitate programming and collaboration
  • Retrieve data from an external source
  • Apply relational algebra operations using Python
project 5

Analyze your company’s sales

Your company provides you with their raw sales data and asks you to make sense of it. It's up to you to spot areas for growth and new market opportunities.
Duration80 hours
Skills acquired in this project
  • Transform a dataset for analysis
  • Describe a dataset using a univariate analysis
  • Describe a dataset using a bivariate analysis
project 6

Conduct a market analysis

You are employed in an agribusiness company that wants to expand internationally. You must therefore identify new countries to grow their business.
Duration100 hours
Skills acquired in this project
  • Perform a statistical test
  • Carry out a hierarchical clustering
project 7

Detect counterfeit notes

Your IT consulting company has a new client: a government agency in charge of anti-counterfeiting. Your mission: find a solution to detect counterfeit notes
Duration70 hours
Skills acquired in this project
  • Describe a dataset through principal component analysis
  • Select the appropriate classification algorithm
  • Perform a classification with the k-means algorithm
  • Select the appropriate model to meet business requirements
  • Apply a modeling technique
project 8

Make an income prediction

An international bank hopes to find new customers. From existing data, build a model to analyze and predict the income of prospective clients.
Duration80 hours
Skills acquired in this project
  • Apply an ANOVA
  • Select the appropriate model to meet business requirements
  • Apply a linear regression
project 9

Help your company visualize their progress

Your pharmaceutical company wants to easily and efficiently monitor their ongoing projects. Your goal: create a custom dashboard for the executive committee.
Duration60 hours
Skills acquired in this project
  • Identify project needs to create a relevant dashboard
  • Create a dashboard to inform and assist decision making
Data Analyst

One-to-one learning support

  • Benefit from weekly individual mentoring sessions with an expert in the field.

  • Progress rapidly through projects thanks to their expertise in sharing know-how.

The OpenClassrooms community

  • Count on our solid student community to give you support 24-7.

  • Share your doubts or queries with a comprehensive network of students, mentors, and graduates.

How exactly will I learn on an OpenClassrooms path?

From choosing what to study to starting their new career, our students describe their experiences and the support they received at every step of the way.

See step-by-step experience

Pay for your path

Monthly subscription: The flexible, customizable option

For everyone.

  • Flexible start date and study schedule

  • Non-binding subscription: Stop at any time

  • The faster you finish, the less it costs

  • Hired or refunded guarantee*

€400 per month

Approx. 12 months

Start application

Interested in this path for your company?

Contact our business team

*Subject to the conditions set out in the Terms of Service

Training program last updated on Jan 3, 2023