I. Introduction

II. Related Surveys

III. Overview of Federated Analytics

IV. Key Challenges in Federated Analytics

V. Taxonomy of Federated Analytics

VI. Key Techniques in Federated Analytics

VII. Statistical Metrics

VIII. Frequency-Related Applications

IX. Database Operations

X. Assisting Federated Learning

XI. Wireless Network Applications

XII. Open Issues and Future Directions

XIII. Lessons Learned and Conclusion