All Lists

Browse structured list pages prepared for Japanese and English audiences.

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Resident Tax Calculation Method

Explanation of the calculation method for resident tax income-based and flat-rate components.

resident tax income-based tax flat-rate tax local tax tax calculation forest environment tax

Respiratory System Organs

A list of major organs that constitute the respiratory system.

anatomy physiology respiratory system human body medicine biology

Resume and Work History Writing Guide

A guide for writing resumes and work history documents, including formats and required items.

resume work history career change job hunting career writing guide format template

RFC (Request for Comments)

A series of standard specification documents for Internet technology.

IETF Internet Standard Protocol Technical Specification Network

Rivers of Japan

A list of major rivers flowing through Japan.

rivers first-class rivers second-class rivers Shinano River Tone River MLIT flood control water utilization

Road Classifications in Japan

Classification system of roads in Japan based on the Road Act and Road Structure Ordinance.

Roads Transportation Infrastructure MLIT Road Act

Road Types in Japan

Four types of road classifications based on the Japanese Road Act.

road expressway highway national road prefectural road municipal road infrastructure

Rock Classification

A classification system that categorizes rocks into three main types based on their formation: igneous, sedimentary, and metamorphic rocks.

geology petrology igneous rock sedimentary rock metamorphic rock earth science

Royal Families of the World

As of 2025, there are approximately 43 monarchies in the world, each with its own royal family.

royal family monarchy royalty dynasty king queen emperor constitutional monarchy

RPA Tools

A list of RPA tools for automating business processes.

RPA Business Automation Digital Transformation UiPath Automation Anywhere Blue Prism Robotic Process Automation