* We have coded a total of 20,328 different values for 76 variables in 503 polities.

Polity Territory

460

Polity Population

464

Population Of The Largest Settlement

489

Largest Communication Distance

13

Settlement Hierarchy

473

Administrative Level

450

Religious Level

350

Military Level

362

Professional Military Officer

378

Professional Soldier

406

Professional Priesthood

385

Source Of Support

21

Occupational Complexity

0

Full Time Bureaucrat

395

Examination System

329

Merit Promotion

318

Specialized Government Building

406

Formal Legal Code

411

Judge

379

Court

359

Professional Lawyer

324

Irrigation System

402

Drinking Water Supply System

324

Market

418

Food Storage Site

372

Communal Building

NEW

65

Utilitarian Public Building

NEW

98

Symbolic Building

NEW

45

Entertainment Building

NEW

30

Knowledge Or Information Building

NEW

49

Special Purpose House

10

Road

403

Bridge

327

Canal

312

Port

367

Mines Or Quarry

323

Special Purpose Site

NEW

69

Ceremonial Site

NEW

56

Burial Site

NEW

66

Trading Emporia

NEW

60

Enclosure

NEW

36

Other Special Purpose Site

1

Writing System
Mnemonic Device

199

Nonwritten Record

300

Written Record

474

Script

472

Non Phonetic Writing

293

Phonetic Alphabetic Writing

426

Kinds of Written Documents
Lists Tables And Classification

407

Calendar

444

Sacred Text

448

Religious Literature

464

Practical Literature

406

History

394

Philosophy

373

Scientific Literature

385

Fiction

398

Money
Article

389

Token

293

Precious Metal

320

Foreign Coin

366

Indigenous Coin

422

Paper Currency

375

Debt And Credit Structure

NEW

27

Store Of Wealth

NEW

31

Postal System
Courier

330

Postal Station

298

General Postal Service

310

Fastest Individual Communication

14

Measurement System
Length Measurement System

NEW

45

Area Measurement System

NEW

34

Volume Measurement System

NEW

43

Weight Measurement System

NEW

59

Time Measurement System

NEW

55

Geometrical Measurement System

NEW

17

Other Measurement System

NEW

12