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Enter any keyword to search across 1,071,213 fields spanning 36 years of CIA World Factbook editions. Plain keyword searches work as expected — just type and go.

01 Quick Search

nuclear oil production terrorist border dispute uranium human trafficking

02 Boolean Operators (LC / Z39.58 Standard)

Operator	Example	Description
`term`	nuclear	Fields containing the term
`AND` (implicit)	nuclear weapons	Both terms must appear — default operator between words
`OR`	nuclear OR atomic	Either term matches — evaluated before AND per LC convention
`NOT` / `-`	nuclear NOT power nuclear -power	Exclude results containing the term
`" exact phrase "`	"border dispute"	Exact phrase match — preserves word order and spacing
`( )` grouping	(nuclear OR atomic) AND weapons	Parentheses override default operator precedence
`?` / `*` truncation	nucl? terror*	Wildcard — matches any characters (truncation)

03 Example Queries

nuclear weapons -power "border dispute" OR "territorial claim" (nuclear OR atomic) AND weapons "ballistic missile" OR "cruise missile" oil production -refin* terrorist OR extremist -former "South China Sea" uranium OR plutonium OR enrichment "human trafficking" NOT "former tier" (Iran OR "North Korea") AND nuclear

Standard Reference
• Boolean syntax follows the Library of Congress Catalog convention (ANSI/NISO Z39.58)
• Operator precedence: OR is evaluated first, then AND and NOT (left-to-right) — use parentheses to override
• All searches are case-insensitive and match within individual field content
• Multiple space-separated terms are AND’d by default
• Use year range filters to narrow results to specific Factbook editions