Comparison

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Because every portal follows the same fifteen-section outline, the comparison is genuinely like-for-like rather than a collage of whatever each government happens to publish.

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Comparison of selected legal systems
Attribute	United StatesReviewed	FranceReviewed	JapanReviewed	SudanIndexed
Legal family	Common law	Civil law	Civil law with common-law influence	Mixed Islamic and common law
System of government	Federal presidential constitutional republic	Unitary semi-presidential republic	Unitary parliamentary constitutional monarchy	Military government following the 2021 coup and 2023 war
Constitution	Constitution of the United States	Constitution of the Fifth Republic	Constitution of Japan	Draft Constitutional Charter for the Transitional Period
In force since	1789	1958	1947	2019
Capital	Washington, D.C.	Paris	Tokyo	Khartoum
Official languages	English, Spanish	French	Japanese	Arabic, English
Currency	US Dollar (USD)	Euro (EUR)	Japanese Yen (JPY)	Sudanese pound (SDG)
Population	335,000,000	68,200,000	123,500,000	48,100,000
Division of powers	Strict separation between Congress, the President and the federal judiciary, checked by veto, impeachment, advice-and-consent over appointments, and judicial review established in Marbury v. Madison (1803).	Semi-presidential: the President holds reserved powers over defence and foreign affairs; the Government answers to Parliament. The Conseil constitutionnel reviews statutes before promulgation and, since 2008, on referral from litigation.	Parliamentary government with the Cabinet collectively responsible to the Diet, and a Supreme Court holding the final power of constitutional review.	Formally federal, with states headed by governors. The Juba Peace Agreement of 2020 contemplated regional arrangements for Darfur and the Two Areas. Effective authority is currently divided between the belligerents and varies by locality.
How law is made	A bill is introduced in either chamber, referred to committee, reported, debated and voted. It must pass both chambers in identical text, then be signed by the President or survive a veto by a two-thirds vote in each chamber.	A projet or proposition de loi shuttles between the chambers; the Assembly can be given the last word. Organic laws and constitutional amendments follow stricter routes.	Most bills are Cabinet-sponsored, drafted by ministries and reviewed by the Cabinet Legislation Bureau, then passed by both houses; the lower house can override the upper by a two-thirds majority.	The Charter assigned legislation to a joint sitting of the Sovereignty Council and the cabinet pending the formation of a legislative council, which never fully happened. Since 2021 instruments have been issued by decree. There is no verifiable ordinary legislative process at present, which is why this profile is marked as requiring research.
Legal profession	Admission is state-by-state: an accredited JD, a state bar examination, and a character and fitness review. There is no split between barristers and solicitors.	Avocats qualify through a CRFPA examination and the CAPA. Notaires, huissiers and avocats aux Conseils are separate regulated professions.	Candidates pass the national bar examination, then complete a year at the Legal Training and Research Institute before qualifying as bengoshi, judge or prosecutor.	Advocates are admitted through the Sudanese Bar Association, and the profession — particularly the Sudanese Professionals Association and the emergency lawyers' groups — was central to the 2019 protest movement and to documenting subsequent abuses. Judges are career appointments through the Judicial Service Commission. Current admission practice and numbers cannot be reliably confirmed.

A comparison table flattens nuance by design. Where a difference matters to a decision you are making, open both portals and read the section in full — the constitutional detail behind a one-line summary is often the part that governs the outcome.