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COVID-19 update: This course will start online and continue on campus later. Read more

What will I learn?

The Data Science master's specialisation equips you with state-of-the-art knowledge in the advanced statistical techniques, machine learning and algorithmic aspects of data analysis.

What does this master’s programme entail?

Data science is an interdisciplinary discipline at the border between statistical science and computer science aiming at discovering knowledge from typically large set of data. To achieve this goal, data scientists use statistical methods and machine learning in combination with exploration and optimization algorithms from computer science. This specialisation provides you thorough knowledge and understanding of statistical and computational aspects of data analysis, including their application in databases, advances in data mining, networks, pattern recognition, and deep learning.

The two-year Data Science: Computer Science programme consists of 120 European Credit Transfer System (EC) points and includes courses and electives, a support programme and research projects.

Programme overview

The curriculum of the Data Science: Computer Science specialisation consists of:

  • Core programme (48 EC)
  • Specialisation Courses (30 EC)
  • Master’s thesis (42 EC)
  • Masterclass

The programme is designed to train you as independent researcher, while equipping you with the necessary skills to advance your career.

Programme outline

The programme of Data Science is a full-time 2-year master’s programme. The first year consists of a selection of courses from a core programme in Computer Science (42 EC) and three mandatory specialisation courses (21 EC) from Statistical Science.

In the second year you follow two mandatory specialisation courses (9 EC) from Statistical Science and one specialisation course (6 EC). In the second year, you will also work on innovative research and applications within the context of the Master Thesis (42 EC). The Master Class is mandatory for all master students.

Career prospects

With an MSc in Computer Science you are well prepared for broad array of career prospects in research or industry. The master’s degree is an excellent stepping stone for pursuing a PhD degree.

With a Leiden degree in Computer Science you will have cultivated an analytical mind and a problem-solving attitude. Based on these qualities, you enjoy a wide variety of career opportunities, in research as well in commercial or industrial environments.


Your job perspectives with a master's degree in Computer Science are excellent and diverse. They range from software engineer to product manager, from researcher to IT-manager, and from engineering to financial applications, from business intelligence specialist to service manager or consultant. And the demand is constantly growing. With this education, 96.9% of all graduates have a full-time job, and they find a job within an average time of 1.3 months.

Which department am I in?

Faculty of Science

Study options

Full Time (2 Years)

Tuition fees
€18,016.00 (14,55,250) per year
Application deadline

Expected October 2022

More details

Start date

Expected September 2022


Leiden University

Rapenburg 70,



2311, Netherlands

Entry requirements

For students from United States

Applicants need a BA or BSc degree (or equivalent) to be admitted to any of Leiden University’s master’s programmes. English-language proficiency: IELTS - 6.0; Toefl (internet based): 80 (component score: 20); Cambridge C2 Proficiency (CPE), or C1 Advanced (CAE): Cambridge component score of 169.

For international students

  • A copy of a valid passport or ID card
  • A copy of a Dutch residence permit (if applicable)
  • CV (résumé)
  • Language proficiency (if applicable)
  • Copies of diplomas and transcripts
  • Letter of motivation

*There may be different IELTS requirements depending on your chosen course.


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