Statisticians design surveys, experiments, and observational studies collect and analyze data, and interpret and present the findings. They work in various domains such as government agencies, research institutions, pharmaceutical companies, finance, and consulting.

Data scientists are responsible for gathering, cleaning, and analyzing large, complex datasets using statistical techniques and machine learning algorithms. They help organizations make data-driven decisions by uncovering patterns, insights, and trends.

Actuaries use statistical models and financial theories to assess and manage risks for insurance companies, pension plans, and investment firms. They analyze data to determine insurance rates, evaluate assets and liabilities, and estimate future financial outcomes.

Biostatisticians work in the field of public health, medicine, and biomedical research. They design clinical trials, analyze health-related data, develop statistical methods, and help in making decisions related to healthcare policies, drug development, and disease prevention.

Quantitative analysts, also known as quants, work in finance and use statistical models, mathematical techniques, and computer algorithms to analyze financial markets, create trading strategies, manage risks, and optimize investment portfolios.

Statistical programmers write computer programs to analyze data, develop statistical models, and create visualizations. They often work in research organizations, pharmaceutical companies, or academic institutions.

Market researchers collect and analyze data on consumer behavior, market trends, and competitors to help companies make informed decisions regarding product development, marketing strategies, and sales forecasting. They often use statistical techniques to interpret survey data.

Operations research analysts use statistical models, optimization techniques, and computer algorithms to solve complex problems related to logistics, supply chain management, production planning, and resource allocation. They help organizations improve efficiency and maximize profits.

Many statisticians work in universities and research institutions, conducting research on theoretical and applied statistical methods, developing new statistical models, and publishing scientific papers.

Indian Statistical Service officers serve in the statistical wing of various ministries and departments. It is a central group A service. UPSC conducts a separate exam for this service.